Outlook for Microsoft 365 Apps Feature Update for March 2023

News

Microsoft released the March 2023 feature update of Outlook for Microsoft 365 Apps in the Current Channel.

This times there are 4 new features which all relate to Sensitivity Labels and 7 documented fixes.

  • Sensitivity Label scoping between files, emails and meetings
    Office applications can now filter out sensitivity labels based on the document type. For example, Outlook email will no longer show labels that only apply to Word, Excel, and PowerPoint documents.
  • Assign a sublabel as the default when a parent label is selected
    When using built-in sensitivity labels in Microsoft 365 Apps, admins can specify a sublabel to get applied automatically when a parent label is selected. This takes effect only when users select a parent label manually.
  • Disable the Azure Information Protection Add-in by default
    Office apps will now automatically disable the legacy Azure Information Protection add-in and use the built-in sensitivity labels to view and apply labels powered by Microsoft Purview Information Protection.
  • Enhanced discovery of sensitivity labels in Outlook
    Admins can configure sensitivity labels to appear on subject lines when composing e-mails, for enhanced user discovery. The labels icons can also be customized.
  • We fixed an issue that caused users to see an empty From field drop down when their profile included an SMTP address with an asterisk in it.
  • We fixed an issue that caused users with an Outlook.com account in their profile to be prompted for their password and to receive the following error message: “You cannot log in with a personal account. Use your work or school account.”
  • We have resolved an issue affecting users of the Label Inheritance feature, which led to incorrect sensitivity label extraction from unencrypted files when co-authoring was enabled.
  • We fixed an issue that caused Outlook to close unexpectedly when using Loop Components in an email.
  • We fixed an issue that caused Outlook to close unexpectedly when opening emails with a Data Loss Prevention policy applied.
  • We fixed an issue where some settings did not roam between machines when switching to Focused Inbox.
  • We fixed an issue that caused the Sub-folders search scope to be broken when searching in the Online Archive.

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 2303 (Build 16227.20212).


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Outlook 2016 / 2019 / 2021 / 365 Update for March 2023

News

The March security and 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 3 security updates for Excel (2), and Outlook (1). The details about the Outlook vulnerability can be found below;

  • CVE-2023-23397: Microsoft Outlook Elevation of Privilege Vulnerability
    • This vulnerability is currently not publicly disclosed but it is exploited.
    • The exploit for this vulnerability can be triggered automatically when it is retrieved and processed by the Outlook client. This could lead to exploitation BEFORE the email is viewed in the Preview Pane.
    • The Exploitability Assessment is rated: Exploitation Detected.

Exchange administrators can use this script to analyze whether mailboxes have been targeted by potentially malicious messages.

In addition, it contains 2 documented non-security fixes related to Outlook Current Version 2302, 1 Outlook related new feature in Word and 2 fixes for Monthly Enterprise Version 2301, and 1 fix for Semi-Annual Version 2208.

  • Version 2302
    • We fixed an issue that caused users in Government Community Cloud tenants to be unable to launch To-Do in Outlook.
    • We fixed an issue that caused users to see an inaccurate count of the number of new notifications present when opening the notification pane.
  • Version 2301
    • Tag your team members with tasks
      Create and assign tasks without leaving Word. Simply add a comment, @mention your team member, press Ctrl + Enter, and check Assign. Your comment becomes a task, and your work is done!
    • We fixed an issue that caused the application to close unexpectedly when clicking on non-HTTP links.
    • We fixed an issue that caused users to receive an unclear error message when sending an email to a recipient with a very large certificate.
  • Version 2208
    • We fixed an issue that caused Outlook to close intermittently.

Version 2302 has now also been released to the Semi-Annual Enterprise Channel (Preview) and contains 1 highlighted new feature and 12 fixes which have been made available already to the Current release channel too. The new feature is;

  • Find events on your calendar faster than ever
    Improvements to the Calendar search make it faster and easier to find events, such as the next occurrence of a series.

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 2302 (Build 16130.20306)
  • Monthly Enterprise
    Version 2301 (Build 16026.20238)
    Version 2212 (Build 15928.20298)
  • Semi-Annual Enterprise (Preview)
    Version 2302 (Build 16130.20306)
  • Semi-Annual Enterprise
    Version 2208 (Build 15601.20578)
    Version 2202 (Build 14931.20944) 
  • Outlook LTSC 2021
    Version 2108 (Build 14332.20481)
  • Outlook 2019 Volume Licensed
    Version 1808 (Build 10396.20023)

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 March 2023

News

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

The updates fix the following vulnerabilities;

The vulnerability isn’t currently publicly disclosed nor exploited. However, it is rated as “Exploitation More Likely” so make sure you update as soon as possible!

In addition, the Exchange Team highlights the fix for Outlook vulnerability CVE-2023-23397, and the availability of a script to analyze whether mailboxes have been targeted by potentially malicious messages.

The updates also contain the following non-security issues;

View: Exchange Blog: Released: March 2023 Exchange Server Security Updates
View: Description of the security update for Microsoft Exchange Server 2019, 2016, and 2013: March 14, 2023 (KB5024296)

Download: Security Update for Exchange 2019 CU11 and CU12
Download: Security Update for Exchange 2016 CU23
Download: Security Update for Exchange 2013 CU23 (support ends on April 11, 2023)


Outlook 2016 (MSI) Security Update for March 2023

News

A Security Update has been released for Outlook 2016. It resolves the following vulnerability;

  • CVE-2023-23397: Microsoft Outlook Elevation of Privilege Vulnerability
    • This vulnerability is currently not publicly disclosed but it is exploited.
    • The exploit for this vulnerability can be triggered automatically when it is retrieved and processed by the Outlook client. This could lead to exploitation BEFORE the email is viewed in the Preview Pane.
    • The Exploitability Assessment is rated: Exploitation Detected.

Exchange administrators can use this script to analyze whether mailboxes have been targeted by potentially malicious messages.

View: Download information for KB5002254

Note: This update can be installed via Microsoft Update and updates Outlook to version 16.0.5387.1000. This update does not apply to Perpetual (Retail) and Microsoft 365 based installations of Office 2016.


Outlook 2013 Security Update for March 2023

News

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

  • CVE-2023-23397: Microsoft Outlook Elevation of Privilege Vulnerability
    • This vulnerability is currently not publicly disclosed but it is exploited.
    • The exploit for this vulnerability can be triggered automatically when it is retrieved and processed by the Outlook client. This could lead to exploitation BEFORE the email is viewed in the Preview Pane.
    • The Exploitability Assessment is rated: Exploitation Detected.

Exchange administrators can use this script to analyze whether mailboxes have been targeted by potentially malicious messages.

View: Download information for KB5002265

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 15.0.5537.1000.


Exchange 2019 CU12 and Exchange 2016 CU23

News

Cumulative Update 12 for Exchange 2019 is now available as well as Cumulative Update 23 for Exchange 2016.

With these releases there major changes to the release model of future CUs.

First of all, the is the last CU for Exchange 2016 as it has reached its Extended Support phase. This means that from now on, it will only received Security Updates.

Second, Exchange 2019 CU releases have shifted to a cadence of 2 times per year. These are targeted for March and September but as they are quality driven, their actual release could be off by a month if needed.

Exchange 2019 CU12 also includes the following major changes;

  • Exchange Management Tools Update
    When you’ve only installed Exchange on-premises to manage all your Exchange Online mailboxes for your Synced Active Directory users, you can now install the updated Management Tools on a domain-joined workstation, shutdown your last Exchange server, and manage your recipients via PowerShell.
  • Hybrid Experience Updates
    • Licensing has been updated to add a product key for Exchange 2019 hybrid servers at no additional charge.
    • Support has been added for using MFA-enabled admin credentials with Hybrid Agent cmdlets. The Hybrid Management PowerShell module now works with MFA-enabled admin accounts.
  • Support for Windows Server 2022
    CU12 also introduces support for running Exchange Server 2019 on Windows Server 2022 and in environments that use Windows Server 2022 Active Directory servers. For more information see the Exchange Server supportability matrix.

Additionally, for both Exchange 2016 and Exchange 2019, parameters that take UNC paths as inputs will no longer be usable in Exchange Server PowerShell cmdlets or the Exchange Admin Center. For more info and the newly supported methods see; Changes in Exchange Server PowerShell cmdlets and Exchange Admin Center for UNC path inputs (KB5014278).

This release does not include new updates to the Active Directory Schema for Exchange 2019 nor Exchange 2016.

As mentioned before, the next planned Cumulative Update for Exchange 2019 is in September 2022. Exchange 2016 is not expected to receive any new CUs anymore.

Exchange 2019: CU12 KB5011156Download
Exchange 2016: CU23 KB5011155DownloadUM Language Packs
View: Blog post of the Exchange Team about CU12 for Exchange Server 2019 and CU 23 for Exchange 2016.


Partial word, string or wildcard search in Outlook

Search buttonOutlook’s indexed search is fast as long as you know the exact beginning of the word or string that you are looking for.

If you want to search for only a part of a word, like the middle or ending, you’ll have to use the much more cumbersome Advanced Find.

For instance, when searching for “write”, Outlook’s indexed search will only find messages containing “write” but Advanced Find will also find “rewrite”.

A similar situation exists when searching for product codes or reference numbers were people could leave out prefixes, spaces or dashes.

Or what about names?
Katerina or Caterina? Kristian or Christian?

With an Advanced Find macro we can make these type of searches quick and easy again.

Continue reading: Partial word, string or wildcard search in Outlook


Windows 11 (2022) and Outlook; An easy upgrade?

Windows 11 buttonThinking about upgrading your computer to Windows 11 or are you using Outlook on a Windows 11 computer already and are being offered the next major Windows 11 update?

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. Of course, things are even easier when you are already on Windows 11. 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 (2022) and Outlook; An easy upgrade?


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 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 (22H2 / October 2022 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 (22H2 / October 2022 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 (which they refer to as Less Secure App Access) for all accounts since May 30, 2022. It now 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 for Microsoft 365 Apps Feature Update for February 2023

News

Microsoft released the February 2023 feature update of Outlook for Microsoft 365 Apps in the Current Channel.

Unfortunately, it is yet a very uneventful release when it comes to Outlook.

Although there is nothing specified for Outlook, there are 1 feature and 1 fix mentioned for other Office apps which are Outlook/email related;

  • User-defined permissions now support domain name restrictions
    When you choose a sensitivity label configured for user-defined permissions, domain names can now be used to restrict file access to all individuals from that domain.
    For example, you can specify “someone@example.com” or “@example.com,” and permissions will be restricted based on either the individual or all individuals within the example domain. (Word, Excel, and PowerPoint)
  • We fixed an issue that when clicking on an email notification with @mention in a comment, caused Excel to close unexpectedly if the workbook was already open and was in a hidden window.

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 2302 (Build 16130.20218).


Outlook 2016 / 2019 / 2021 / 365 Update for February 2023

News

The February security and 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 3 security updates for Word (1), Publisher (1), and Office (1).

In addition, it contains 1 documented non-security fix related to Outlook Current Version 2301, 5 fixes for Semi-Annual Version 2208, 1 fix for Semi-Annual Version 2202, and 1 fix for Semi-Annual Version 2108.

  • Version 2301
    • We fixed an issue that caused users to experience the application to close unexpectedly when clicking on some non-HTTP links.
  • Version 2208
    • We fixed an issue that caused S/MIME users to receive an NDR when selecting the “Send Unencrypted” option.
    • We fixed an issue that caused users to experience crashes at unpredictable intervals when using some add-ins.
    • We fixed an issue where the time slots of calendars in side-by-side view do not line up correctly.
    • We fixed an issue that caused attachment size limits to not be evaluated when drag/dropping an attachment into a mail message.
    • Fixed an issue where a dialog box saying “Trying to connect” would appear for multiple minutes while trying to save email attachments to a network share.
  • Version 2202
    • We fixed an issue that caused users to experience crashes at unpredictable intervals when using some add-ins.
  • Version 2108
    • We fixed an issue where references and reply-to headers were removed when replying to an email and the subject was changed.

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 2301 (Build 16026.20200)
  • Monthly Enterprise
    Version 2212 (Build 15928.20282)
    Version 2211 (Build 15831.20280)
  • Semi-Annual Enterprise (Preview)
    Version 2208 (Build 15601.20538)
  • Semi-Annual Enterprise
    Version 2208 (Build 15601.20538)
    Version 2202 (Build 14931.20926)
    Version 2108 (Build 14326.21336) 
  • Outlook LTSC 2021
    Version 2108 (Build 14332.20461)
  • Outlook 2019 Volume Licensed
    Version 1808 (Build 10395.20020)

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.


Exchange 2019, 2016 and 2013 Security Updates for February 2023

News

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

The updates fix the following vulnerabilities;

None of the vulnerabilities are currently publicly disclosed or exploited. However, the first 3 vulnerabilities are rated as “Exploitation More Likely” so make sure you update as soon as possible!

The updates also contain the following non-security issues;

View: Exchange Blog: Released: February 2023 Exchange Server Security Updates
View: Description of the security update for Microsoft Exchange Server 2019, 2016, and 2013: February 14, 2023 (KB5023038)

Download: Security Update for Exchange 2019 CU11 and CU12
Download: Security Update for Exchange 2016 CU23
Download: Security Update for Exchange 2013 CU23 (support ends on April 11, 2023)


Outlook for Microsoft 365 Apps Feature Update for January 2023

News

Microsoft released the January 2023 feature update of Outlook for Microsoft 365 Apps in the Current Channel.

However, it looks like most of the Outlook Team is still on holidays or have been busy working on other things as this release does not contain any new features or published fixes for Outlook.

However, the Excel Team has been quite busy on improving the PivotTable user experience;

  • PivotTable overlap improvements
    We have improved the experience when PivotTables overlap other content in your workbook.
  • Excel PivotTable version compatibility user messaging
    Excel now gives alerts about PivotTable compatibility issues and provides informative documentation and workarounds.
  • Date Support for Pivot Tables Connected to PowerBI
    In PivotTables that are connected to Power BI datasets, dates are now supported for analysis as the data type is no longer a string. For example, filtering data on specific timeframes is now possible.

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 2301 (Build 16026.20146).


Outlook 2016 / 2019 / 2021 / 365 Update for January 2023

News

The January security and 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 6 security updates for Visio (4) and Office (2).

In addition, it contains 1 new feature and 1 documented non-security fix related to Outlook Monthly Enterprise Version 2211, and 2 fixes for Semi-Annual Preview Version 2208.

  • Version 2211
    • S/MIME as an Outcome for labelling
      Providing S/MIME encryption and signing functionality as an outcome of labelling.
    • We fixed an issue that caused the focus on the message list to be lost when using CTRL+Tab to navigate from a folder in one mailbox to a folder in another mailbox.
  • Version 2208 Preview
    • Previously, when web add-ins registered for an event in an unsupported scenario, we would simply ignore the registration and return a success. We changed that behavior to return a failure, which ended up impacted existing add-ins, so we have reverted to the previous behavior.
    • We fixed an issue that caused Outlook to fail silently when adding a Modern Group as a shared calendar instead of displaying a sensible error message.

Version 2208 has now also been released to the Semi-Annual Enterprise Channel and contains 4 highlighted new features and 45 fixes which have been made available already to the other release channels. The new features are;

  • Use suggested replies in Outlook
    When you receive an email message that can be answered by a short response, Outlook can suggest three responses you can use to reply with just a couple of clicks.
    • Suggested Replies can be turned off via; File-> Options-> Mail-> section: Replies and Forwards-> toggle option: Show suggested replies
  • One-click writing suggestions
    Apply writing suggestions with a single click. Editor corrects spelling and grammar and gives you ideas for refining your writing.
  • Grammar checking’s got your back
    Outlook marks grammar errors as you type, so you can apply suggestions with a single click.
  • Show multiple mini-months in Calendar To-Do Bar
    This feature allows you to show multiple mini-months both horizontally and vertically in the Calendar To-Do bar.

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 2212 (Build 15928.20216)
  • Monthly Enterprise
    Version 2211 (Build 15831.20252)
    Version 2210 (Build 15726.20292)
  • Semi-Annual Enterprise (Preview)
    Version 2208 (Build 15601.20456)
  • Semi-Annual Enterprise
    Version 2208 (Build 15601.20456)
    Version 2202 (Build 14931.20888)
    Version 2108 (Build 14326.21286) 
  • Outlook LTSC 2021
    Version 2108 (Build 14332.20447)
  • Outlook 2019 Volume Licensed
    Version 1808 (Build 10394.20022)

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.