Outlook 2016 / 2019 / 2021 / 365 Update for January 2022

News

A new rollup update has been made available for all Click-to-Run installations of Outlook 2016, Outlook 2019, Outlook 2021 and Outlook as part of a Microsoft 365 subscription.

It contains 2 security updates which both apply to Office in general.

In addition, it contains 2 new features and 4 fixes for Monthly Enterprise Version 2111, and 1 fix for Semi-Annual (Preview) Version 2108.

  • Version 2111
    • We fixed an issue that caused users to experience a close unexpectedly when retrieving personas.
    • We fixed an issue that caused users to experience an unexpected close when loading people photos.
    • We fixed an issue that caused an unexpected close when displaying a contact card.
    • We fixed an issue that caused users to experience an close unexpectedly when loading personas in PowerPoint.
  • Version 2108
    • We fixed an issue where users may have experienced a delayed response to typing while an animated gif plays in the Word or Outlook canvas, either on screen or scrolled just off screen.

The new features in Monthly Enterprise Version 2111 are a repeat of the ones of Version 2110;

  • Microsoft Search powered compose (To\CC\BCC) suggestions
    Adding people to the To\CC line is now powered by Microsoft Search.
  • Expanded GAL people suggestions for mail and calendar compose
    Outlook will now return results from the complete GAL when suggestions people for email and calendar compose. (Ex: Adding someone to the To line of a new email)

Version 2108 has now also been released to the Semi-Annual Enterprise Channel and contains 16 highlighted new feature and 65 fixes which have been made available already to the other release channels. Some notable new features are;

  • Share to Teams
    Share messages from Outlook with a person or channel in Teams.
  • Build in time between back-to-back meetings
    Give attendees time to catch their breath or travel between locations by setting meetings to start 5-10 min late by default.
  • Every meeting online
    Update your calendar settings to make every meeting you create a Teams Meeting by default so you no longer need to remember to click the Teams Meeting option.
  • Your Outlook settings in the cloud
    Choose your Outlook for Windows settings like Automatic Replies, Focused Inbox, and Privacy, and get to them on any PC.
  • Pick where to search
    The new search scope drop down allows you to more easily modify your search and switch between Current Folder and Current Mailbox.

Based on your release channel, you’ll be updated to the following version;

  • Microsoft 365 Apps, Outlook 2016 Retail, Outlook 2019 Retail, Outlook 2021 Retail
    Version 2112 (Build 14729.20248)
  • Monthly Enterprise
    Version 2111 (Build 14701.20290)
    Version 2110 (Build 14527.20364)
  • Semi-Annual Enterprise (Preview)
    Version 2108 (Build 14326.20738)
  • Semi-Annual Enterprise
    Version 2108 (Build 14326.20738)
    Version 2102 (Build 13801.21106) 
  • Outlook LTSC 2021
    Version 2108 (Build 14332.20204)
  • Outlook 2019 Volume License
    Version 1808 (Build 10382.20010)

Note: Depending on your installation type, this update can be installed via the Update Now button in Outlook itself or the Microsoft Store. This update does not apply to msi-based installations of Office 2016.


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Exchange 2019, 2016 and 2013 Security Updates for January 2022

News

Security updates have been released for Exchange 2013, Exchange 2016 and Exchange 2019.

The updates fixes the following Vulnerabilities;

  • CVE-2022-21846: Microsoft Exchange Server Remote Code Execution Vulnerability
  • CVE-2022-21855: Microsoft Exchange Server Remote Code Execution Vulnerability
  • CVE-2022-21969: Microsoft Exchange Server Remote Code Execution Vulnerability

None of the them are currently publicly disclosed nor being exploited. However, their exploitability assessment are all regarded as “Exploitation More Likely”. It is therefor important to update as soon as possible.

View: Exchange Blog: Released: January 2022 Exchange Server Security Updates
View: Description of the security update for Microsoft Exchange Server 2019, 2016, and 2013: January 11, 2022 (KB5008631)

Download: Security Update for Exchange 2019 CU10 and CU11
Download: Security Update for Exchange 2016 CU21 and CU22
Download: Security Update for Exchange 2013 CU23


Outlook for Microsoft 365 Apps Feature Update for December 2021

News

Fashionably late to the New Year’s party comes the release of the December feature update of Outlook for Microsoft 365 Apps in the Current Channel (previously known as the Office 365 Monthly Channel).

It comes with 1 new feature for Outlook and 1 highlighted fix. There is 1 additional fix in the general Office Suite and another 1 in Access which also affect Outlook.

  • Improved Calendar Search
    Improvements have been made to Calendar search, largest of which is the ability to more easily find the next occurrence of a series in search results.
  • We fixed an issue that caused users to see garbled text in some fields when exporting contacts to a CSV.
  • Access: Implemented a change which enables full support of requirement set 1.11 and 1.9 for Outlook add-ins.
  • Office: We fixed an issue where the teaching callouts (tips) about the new look of Office did not appear in Outlook. Now, users of Word, Excel, PowerPoint, and OneNote are notified about the changes to the new look of Office, which includes information about what changed and how to change settings, or toggle off the experience.

Note: Depending on your installation type, this update can be installed via the Update Now button in Outlook or the Microsoft Store and updates Outlook to: Version 2112 (Build 14729.20194).


Windows 11 and Outlook; An easy upgrade?

Windows 11 buttonThinking about upgrading your computer to Windows 11?

There are a couple of things to be aware of when you heavily rely on Outlook.

The upgrade process from Windows 10 is actually quite streamlined and trouble free for most configurations; It is almost like applying a major update to Windows 10. However, there are still a couple of attention points to go through before you start and afterwards.

This guide contains not only upgrade preparation and troubleshooting steps but also various tips about the changes that you could encounter involving Outlook after upgrading to Windows 11.

Continue reading: Windows 11 and Outlook; An easy upgrade?


Outlook 2016 (MSI) Update for October 2021

News

A Rollup Update has been released for Outlook 2016. This is a non-security update which contains the following documented fix;

  • This update fixes an issue in which the “Join event” button doesn’t display in the notification email of the Microsoft Teams meeting that’s delivered through an attached .ics file.

View: Download information for KB5001998

Note: This update can be installed via Microsoft Update and updates Outlook to version 16.0.5197.1000. This update does not apply to Perpetual (Retail) and Microsoft 365 based installations of Office 2016.


Exchange 2019 CU11 and Exchange 2016 CU22

News

Cumulative Update 11 for Exchange 2019 is now available as well as Cumulative Update 22 for Exchange 2016.

They both contain the same 15 documented new fixes or improvements, as well as all previously released fixes and security updates for their respective Exchange version and the latest DST updates. The Exchange 2019 CU also contains 4 unique fixes which do not apply to the Exchange 2016.

Major changes to be aware of before installing these CU;

  • A new service will be installed; Microsoft Exchange Emergency Mitigation service (or shortened; EM service).
    Once an hour, this service checks for mitigations to known security threats. It can then directly implement these pre-configured settings on the Exchange server to mitigate the threat until a Security Update can be applied. For more info see this blog post by the Exchange Team and this Microsoft Docs article.
  • The IIS URL Rewrite module (x64 installer) must be installed before installing this CU. This is a requirement for the EM service.
  • When using the unattended setup, note that the /IAcceptExchangeServerLicenseTerms switch will no longer work. Instead, you’ll need to use the (even longer) /IAcceptExchangeServerLicenseTerms_DiagnosticDataON or /IAcceptExchangeServerLicenseTerms_DiagnosticDataOFF switch.

Other notable improvements, changes and fixes are;

  • KB5006983: Exchange Server 2019 and 2016 certificates created during setup use SHA-1 hash.
  • KB5006986: Opening an Outlook message from the desktop removes line spacing.
  • KB5006988: Export of .pst file is unexpectedly triggered again in Exchange Server 2019 and 2016.
  • KB5006993: Can’t log on to OWA in Chrome if SSL is offloaded in Exchange Server 2019 and 2016.
  • KB5006994: BCC values not retained in Sent Items in a shared mailbox in Exchange Server 2019 and 2016.

This release does not include new updates to the Active Directory Schema for Exchange 2019 nor Exchange 2016.
The next planned quarterly update for Exchange 2019 is in December 2021. No new update for Exchange 2016 is planned at this moment.

Exchange 2019: CU11 KB5005334Download
Exchange 2016: CU22 KB5005333DownloadUM Language Packs
View: Blog post of the Exchange Team about CU11 for Exchange Server 2019 and CU 22 for Exchange 2016.


Open the Outlook Address Book from a Desktop shortcut

Address Book buttonAlthough you can create Outlook Desktop shortcuts to specific folders within Outlook, there is no command line switch to directly open the Outlook Address Book.

Especially in a corporate environment, having such a shortcut can be quite handy to quickly look up a contact in your Contacts folder or a colleague in the Global Address List (GAL).

Luckily, with a small vbs-script we can still recreate this “rolodex experience”.

Continue reading: Open the Outlook Address Book from a Desktop shortcut


Reply and keep original attachments

Reply with Attachments buttonWhen you reply to an email in Outlook, the original emails are not included. This is because it is assumed that the original sender still has access to the original attachments.

There are however various valid scenarios in which it makes sense to keep the attachments. A common scenario which would benefit from this, is in longer mail threads where Reply All is used and where new people are being added.

Although there are various workarounds available, having this option integrated in Outlook is more efficient.

Continue reading: Reply and keep original attachments


Outlook 2013 Security Update for June 2021

News

A Security Update has been released for Outlook 2013. It resolves the following vulnerability;

  • CVE-2021-31949: Microsoft Outlook Remote Code Execution Vulnerability.
    • This vulnerability is currently not publicly disclosed nor exploited.
    • The Preview Pane is not an attack vector.
    • The Exploitability Assessment is rated: Exploitation Less Likely.

View: Download information for KB5001934

Note: This update can be installed via Microsoft Update or the Update Now button when you are using Office 2013 Click-To-Run and updates Outlook to version 15.0.5353.1000.


Outlook 2010 Security Update for April 2021

News

A Security Update has been released for Outlook 2010. It resolves the following vulnerability;

  • CVE-2021-28452: Microsoft Outlook Memory Corruption Vulnerability.
    • This vulnerability is currently not publicly disclosed nor exploited.
    • The Preview Pane is not an attack vector.
    • The Exploitability Assessment is rated: Exploitation Less Likely.

Important!
This is an extra Security Update for Outlook 2010 as it has already reached the end date for Extended Support. It is highly recommended to update to a later version of Outlook or an alternative mail client as soon as possible.

View: Download information for KB4493185

Note: This update can be installed via Microsoft Update and updates Outlook to version 14.0.7268.5000.


Check sending account address before sending email

Select Sending Account buttonNowadays, it is quite likely that you have multiple email accounts configured in Outlook.

Especially when working from home, you don’t want to end up sending your business emails via your private account or vice versa.

Also, when you have access to a Shared Mailbox or are a delegate for the mailbox of a colleague, you could find yourself inadvertently send from these mailboxes or forget to select it when needed.

By adding this simple VBA macro to Outlook, you can prevent sending emails from the wrong email address.

Continue reading: Check sending account address before sending email


Add Teams, Skype, Zoom and other chat, call or meet now links to your signature

Chat & Meet in SignatureCommon signatures include a greeting, your name, your company name and possibly a website address and a phone number.

Since nowadays people contact each other a lot more via online meeting tools such as Teams, Skype and Zoom, you can also add special links which will allow the receiver to directly contact you via one of those methods as well.

With the use of recognizable icons, you can easily include these references without making your signature look huge.

This guide starts off with an example of a signature which is small but contains several instant communication links as well. After that, an overview is given of the instant communication links that can be used with commonly used IM and video conferencing clients.

Continue reading: Add Teams, Skype, Zoom and other chat, call or meet now links to your signature


Edit the HTML source code while composing a message in Outlook

Edit HTML Code buttonWhen composing a message in the HTML format in Outlook, the HTML code is automatically generated by the WordHTML engine. Unfortunately, Outlook does not provide a direct way of editing this generated HTML code.

With the EditHTML macro from this guide you can edit or completely replace the HTML of a message you are composing. This makes it much easier to make specific modifications or use the HTML code that you’ve created in another HTML editor.

This way you can make sure that your carefully created design, like for a newsletter, isn’t being modified again by WordHTML and remains compatible with other mail clients.

Continue reading: Edit the HTML source code while composing a message in Outlook


Schedule a recurring email with Outlook and PowerShell

Recurring Email buttonDo you need to send the same emails on a recurring basis like daily, weekly or monthly? Sending out reminders, forwarding reports or the latest offers and prices can be a tedious task.

Outlook doesn’t natively have this feature but with some PowerShell code or add-in, it can be done quite easily .

The PowerShell code in this guide allows you to send an email template, that you’ve created in Outlook. Optionally, it can look for a specific file to attach at the moment of sending to make sure you are always sending the latest version of the file. This guide contains step-by-step instructions to fully automate this process via the Windows Task Scheduler.

Scripts aren’t your thing? We’ve got you covered with some recommended 3rd party add-ins that can bring this functionality to Outlook as well.

Continue reading: Schedule a recurring email with Outlook and PowerShell


S/MIME support for Outlook on the Web (OWA) in Google Chrome or Microsoft Edge

S/MIME buttonS/MIME support for Outlook on the Web (OWA) used to be only available in Internet Explorer but it is now also possible to add this to Google Chrome and the new Microsoft Edge browser.

However, adding the required extension isn’t (currently) possible via the traditional means of using the Chrome Web Store or the Microsoft Edge Addons page.

This guide explains how you can manually install or deploy the Microsoft S/MIME Control for Outlook on the web.

Continue reading: S/MIME support for Outlook on the Web (OWA) in Google Chrome or Microsoft Edge


Executing PowerShell Scripts FAQ and Tips & Tricks

PowerShell Script buttonThere are several guides containing PowerShell scripts on HowTo-Outlook.com. PowerShell is a powerful scripting language which can be used by many applications including Outlook and Exchange. For end-user usage, it can be seen as the successor of vbs and batch scripts.

PowerShell scripts are easy to use but there are a couple of things to be aware of, especially when it is the first time you use such scripts.

This guide contains frequently asked questions regarding the use of PowerShell scripts and some additional tips and tricks to get you started.

Continue reading: Executing PowerShell Scripts FAQ and Tips & Tricks


Importing eml-files into Outlook

Import EML buttonIf you’ve ever used Outlook Express, Windows (Live) Mail, Thunderbird, Lotus/IBM Notes or basically any mail client other then Outlook, chances are that you have some eml-files stored somewhere as well.

While Outlook does support opening eml-files, it doesn’t offer a way to import them into Outlook.

This guides contains instructions and 2 scripts to import eml-files into an Outlook folder of your choice.

Continue reading: Importing eml-files into Outlook


Autodiscover: Some quick methods to get it working

Autodiscover.xml buttonThe Autodiscover service is a required service for Outlook-Exchange connectivity since Outlook 2007 and Exchange 2007 but for whatever reason, in some Exchange environments this still hasn’t been implemented correctly.

In some part, this was due to the fact that you could still get basic Outlook-Exchange connectivity by using some legacy Exchange 2003 RPC over HTTP dialog in Outlook. This (unsupported) method now no longer works in Outlook 2016, Outlook 2019 and Outlook for Office 365 due to the removal of this legacy dialog since Outlook doesn’t support Exchange 2003 anymore since Outlook 2013.

Unfortunately, this leaves up-to-date Outlook users disconnected when Autodiscover hasn’t been provisioned correctly by your company.

This guide contains some reasonably quick and easy and some less elegant methods for end-users but also for Exchange administrators to get your Outlook connected to Exchange again. All discussed solutions are fully supported configurations by Microsoft and do not require any changes to Exchange or the need for a new SSL Certificate.

Continue reading: Autodiscover: Some quick methods to get it working


Windows 10 (21H2 / November 2021 Update or earlier) and Outlook

Windows 10 buttonThinking about upgrading your computer to Windows 10 or are you using Outlook on a Windows 10 computer already and are being offered a major Windows 10 update?

What should you be aware of when you heavily rely on Outlook?

The upgrade process from Windows 7 and Windows 8 is actually quite streamlined and trouble free for most configurations. Things are even easier when applying a major update to Windows 10. However, for either upgrade, there are still a couple of attention points before you start.

This guide contains not only upgrade preparation and troubleshooting steps but also various tips about the changes that you could encounter involving Outlook after upgrading to Windows 10.

Continue reading: Windows 10 (21H2 / November 2021 Update or earlier) and Outlook


Outlook can’t connect to Gmail: Password incorrect

Gmail buttonWhen configuring your Gmail account in Outlook (or other mail clients such as Thunderbird and Mail apps on (older) smartphones), you may run into continuous password prompts or sync errors.

This is because Google has turned off Basic Authentication by default for all new accounts and accounts which haven’t synced within the last 30 days and only lets you authenticate via the OAuth 2.0 standard.

As a result, you’ll get Send/Receive errors (0x800CCC0E) and could get prompted for your Gmail password again in Outlook and the login could fail even when you supply the correct password.

Continue reading: Outlook can’t connect to Gmail: Password incorrect


Outlook 2016 / 2019 / 2021 / 365 Update for December 2021

News

A new rollup update has been made available for all Click-to-Run installations of Outlook 2016, Outlook 2019, Outlook 2021 and Outlook as part of a Microsoft 365 subscription.

It contains 5 security updates for Excel (1), and Office (4).

In addition, it contains 1 documented non-security fix for Outlook Current Version 2111, 2 new features and 14 fixes for Monthly Enterprise Version 2110, and 4 fixes for Semi-Annual (Preview) Version 2108. Most notable fixes are;

  • Version 2111
    • We fixed an issue that caused users to experience a stop responding when retrieving personas.
  • Version 2110
    • We fixed an issue that caused the appointment quick view to be cropped when previewing meeting invitations.
    • We fixed an issue that caused users who are on Windows 11 or who are using the visual refresh through Coming Soon to see;
      • some alignment issues in the ribbon area and strange visual artifacts when resizing Outlook windows.
      • misaligned text when hovering over the mini calendar date.
    • We fixed an issue that caused users to see their default signatures stop being able to be inserted in new emails, replies, or forwards after a restart of Outlook.
  • Version 2110 and 2110
    • We fixed an issue that caused users to be able to save the MP3 attachment from a protected voicemail message when the permission should have been restricted.
    • We fixed an issue where sending mail by right clicking and selecting “Send Mail” from the file system caused explorer.exe to closed unexpectedly on VDI machines.

The new features in Monthly Enterprise Version 2110 are;

  • Microsoft Search powered compose (To\CC\BCC) suggestions
    Adding people to the To\CC line is now powered by Microsoft Search.
  • Expanded GAL people suggestions for mail and calendar compose
    Outlook will now return results from the complete GAL when suggestions people for email and calendar compose. (Ex: Adding someone to the To line of a new email)

Based on your release channel, you’ll be updated to the following version;

  • Microsoft 365 Apps, Outlook 2016 Retail, Outlook 2019 Retail, Outlook 2021 Retail
    Version 2111 (Build 14701.20248)
  • Monthly Enterprise
    Version 2110 (Build 14527.20340)
    Version 2109 (Build 14430.20380)
  • Semi-Annual Enterprise (Preview)
    Version 2108 (Build 14326.20692)
  • Semi-Annual Enterprise
    Version 2102 (Build 13801.21086)
    Version 2008 (Build 13127.21842)
  • Outlook LTSC 2021
    Version 2108 (Build 14332.20204)
  • Outlook 2019 Volume License
    Version 1808 (Build 10381.20020)

Note: Depending on your installation type, this update can be installed via the Update Now button in Outlook itself or the Microsoft Store. This update does not apply to msi-based installations of Office 2016.


Outlook for Microsoft 365 Apps Feature Update for November 2021

News

With a bit of delay, most likely due to Thanksgiving, Microsoft released the November feature update of Outlook for Microsoft 365 Apps in the Current Channel (previously known as the Office 365 Monthly Channel).

It doesn’t come with any new features for Outlook (nor for any of the other Office apps) but does contain 3 highlighted fixes and an additional fix for PowerPoint and Word which also affects Outlook.

  • We fixed an issue that caused users to experience an close unexpectedly when loading personas in PowerPoint.
  • We fixed an issue that caused an unexpected close when displaying a contact card.
  • We fixed an issue that caused users to experience an unexpected close when loading people photos.
  • We fixed an issue where some pop-up UI elements could not be clicked, such as the Join Meeting pop-up in Outlook or the Welcome Back pop-up in PowerPoint. (PowerPoint and Word)

Note: Depending on your installation type, this update can be installed via the Update Now button in Outlook or the Microsoft Store and updates Outlook to: Version 2111 (Build 14701.20226).


Outlook for Microsoft 365 Bug Fix Update for October (!?) 2021

News

Instead of releasing the November Feature Update for Outlook for Microsoft 365 (Current Channel), the October release got a Bug Fix update.

This is odd, but the week of Thanksgiving Day is probably to blame why Microsoft isn’t sticking to its regular release schedule for the Current Channel.

Usually, the Feature Update for the Current Channel is released in the last week of the month (and on occasion a few days late).

So now that it is December already, seeing a Bug Fix update for the October release, probably means we’ll have to wait another week for the November Feature Update (Version 2111).

Anyway, the following issues have been resolved in Outlook;

  • We fixed an issue that caused users to experience a close unexpectedly when expanding conversations.
  • We fixed an issue that caused users to be able to download the MP3 attachment from protected voicemail messages.
  • We fixed an issue that caused users to see their default signatures stop being able to be inserted in new emails, replies, or forwards after a restart of Outlook.
  • We fixed an issue that caused users to experience a close unexpectedly when updating user presence information in Outlook.

Note: Depending on your installation type, this update can be installed via the Update Now button in Outlook or the Microsoft Store and updates Outlook to: Version 2110 (Build 14527.20312).


Outlook 2016 / 2019 / 2021 / 365 Update for November 2021

News

A new rollup update has been made available for all Click-to-Run installations of Outlook 2016, Outlook 2019, Outlook 2021 and Outlook as part of a Microsoft 365 subscription.

It contains 4 security updates for Excel (2), Word (1), and Office (1).

In addition, it contains 1 documented non-security fix for Outlook Current Version 2110 (and another one which was already included in the bug fix release too), 2 new features and 6 fixes for Monthly Enterprise Version 2109, 5 fixes for Monthly Enterprise Version 2108, 5 fixes for Semi-Annual (Preview) Version 2108, 2 fixes for Semi-Annual Version 2102, and 1 fix for Semi-Annual Version 2008. Most notable fixes are;

  • Version 2110
    • We fixed an issue where sending mail by right clicking and selecting “Send Mail” from the file system caused explorer.exe to close unexpectedly on VDI machines.
  • Version 2109
    • We fixed an issue that caused calendars added to the “shortcuts” module to disappear after Outlook restarts.
  • Version 2109 and Version 2108
    • We fixed an issue that caused some users to experience a stop responding when attempting to retrieve AutoDiscover settings.
    • We fixed an issue that caused users to see shared calendars that they added not be checked by default, leading them to believe that the calendar did not get added.
    • We fixed an issue that caused a sync failure to occur when generating a preview.
  • Version 2108, Version 2102 and Version 2008
    • Fixed an issue where it was possible to get Word, Excel, PowerPoint and Outlook clients into a state where we send requests against an incorrect URL endpoints.
  • Version 2108 and Version 2102
    • We fixed a performance issue with RTF formats.
  • Version 2102
    • We fixed an issue where the sensitivity labels configured to apply the Encrypt-Only encryption policy were shown in the Sensitivity dropdown menu when they shouldn’t have been.

The new features in Monthly Enterprise Version 2109 are;

  • Auto-Expanding Online Archive Search
    Enabling auto-expanding Online Archive Search.
  • Last Sign In / Suspicious Sign In
    Outlook now tells you when and where you last signed into your account, and alerts you if any suspicious sign-in activity is detected.

Based on your release channel, you’ll be updated to the following version;

  • Microsoft 365 Apps, Outlook 2016 Retail, Outlook 2019 Retail, Outlook 2021 Retail
    Version 2110 (Build 14527.20276)
  • Monthly Enterprise
    Version 2109 (Build 14430.20342)
    Version 2108 (Build 14326.20600)
  • Semi-Annual Enterprise (Preview)
    Version 2108 (Build 14326.20600)
  • Semi-Annual Enterprise
    Version 2102 (Build 13801.21050)
    Version 2008 (Build 13127.21820)
  • Outlook LTSC 2021
    Version 2108 (Build 14332.20176)
  • Outlook 2019 Volume License
    Version 1808 (Build 10380.20037)

Note: Depending on your installation type, this update can be installed via the Update Now button in Outlook itself or the Microsoft Store. This update does not apply to msi-based installations of Office 2016.


Exchange 2019, 2016 and 2013 Security Updates for November 2021

News

Security updates have been released for Exchange 2013, Exchange 2016 and Exchange 2019.

The updates fixes the following Vulnerabilities;

  • CVE-2021-42305: Microsoft Exchange Server Spoofing Vulnerability
  • CVE-2021-42321: Microsoft Exchange Server Remote Code Execution Vulnerability (does not apply to Exchange 2013)
  • CVE-2021-41349: Microsoft Exchange Server Spoofing Vulnerability

None of the them are currently publicly disclosed but CVE-2021-42321 is already being exploited. It is therefor important to update as soon as possible.

View: Exchange Blog: Released: Released: October 2021 Exchange Server Security Updates
View: Description of the security update for Microsoft Exchange Server 2019, 2016, and 2013: November 9, 2021 (KB5007409)

Download: Security Update for Exchange 2019 CU10 and CU11
Download: Security Update for Exchange 2016 CU21 and CU22
Download: Security Update for Exchange 2013 CU23


Outlook for Microsoft 365 Apps Feature Update for October 2021

News

Microsoft released the August feature update of Outlook for Microsoft 365 Apps in the Current Channel (previously known as the Office 365 Monthly Channel).

It comes with 1 new feature for Outlook and 7 highlighted fixes. The new feature and fixes are listed below;

  • Expanded GAL people suggestions for mail and calendar compose
    Outlook will now return results from the complete GAL when suggesting people for email and calendar compose. (Ex: Adding someone to the To line of a new email)
  • We fixed an issue that caused a sync failure to occur when generating a preview.
  • We fixed an issue that caused users who are on Windows 11 or who are using the visual refresh through Coming Soon to see misaligned text when hovering over the mini calendar date.
  • We fixed an issue that caused all emails sent with Sensitivity labels to always apply the “Encrypt – Only” template which would result in incorrect behavior, allowing people to forward “recipients only” emails.
  • We fixed an issue that caused users who are on Windows 11 or who are using the visual refresh through Coming Soon to see some alignment issues in the ribbon area and strange visual artifacts when resizing Outlook windows.
  • We fixed an issue that caused users to encounter a stop responding when loading the navigation pane for the calendar module.
  • We fixed an issue that caused the appointment quick view to be cropped when previewing meeting invitations.
  • We fixed an issue where the app stop responding when we opened the privacy settings window and the default dialog manager is empty.

Note: Depending on your installation type, this update can be installed via the Update Now button in Outlook or the Microsoft Store and updates Outlook to: Version 2110 (Build 14527.20226).


Outlook 2016 / 2019 / 2021 / 365 Update for October 2021

News

A new rollup update has been made available for all Click-to-Run installations of Outlook 2016, Outlook 2019, Outlook 2021 and Outlook as part of a Microsoft 365 subscription.

It contains 10 security updates for Excel (6), Visio (2), Word (1), and Office (1).

In addition, it contains 1 documented non-security fix for Outlook Current Version 2109 (which was already included in last week’s bug fix release too), 16 fixes for Monthly Enterprise Version 2108, and 3 fixes for Semi-Annual (Preview) Version 2108. Most notable fixes are;

  • Version 2109
    • We fixed an issue that caused some users to experience a stop responding when attempting to retrieve AutoDiscover settings.
  • Version 2108
    • We fixed an issue that caused some users to experience a stop responding when adding calendars to the navigation pane.
    • We fixed an issue that caused users of Outlook’s “shared calendar improvements” feature to experience high CPU usage.
    • We fixed an issue that caused calendars added to the “shortcuts” module to disappear after Outlook restarts.
    • We fixed an issue that caused links in the location field to be unclickable.
    • We fixed an issue that caused deleted meeting invitations to intermittently re-surface for some users.
    • We fixed an issue that caused users to see a loss of HTML formatting when saving a draft of an email to disk.

Based on your release channel, you’ll be updated to the following version;

  • Microsoft 365 Apps, Outlook 2016 Retail, Outlook 2019 Retail, Outlook 2021 Retail
    Version 2109 (Build 14430.20298)
  • Monthly Enterprise
    Version 2108 (Build 14326.20508)
    Version 2107 (Build 14228.20340)
  • Semi-Annual Enterprise (Preview)
    Version 2108 (Build 14326.20508)
  • Semi-Annual Enterprise
    Version 2102 (Build 13801.21004)
    Version 2008 (Build 13127.21766) 
  • Outlook 2019 Volume License
    Version 1808 (Build 13127.21792)
  • Outlook LTSC 2021
    Version 2108 (Build 14332.20145)

Note: Depending on your installation type, this update can be installed via the Update Now button in Outlook itself or the Microsoft Store. This update does not apply to msi-based installations of Office 2016.