HowTo-Outlook

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

• When an email message that has a signed email message as an attachment is also signed, Outlook breaks the digital signature of the attached message.
• This update changes the default signature hash algorithm for Secure/Multipurpose Internet Mail Extensions (S/MIME) messages and enables administrators to manage it by setting the UseAlternateDefaultHashAlg registry key.
• Memory leaks occur when toast notifications are enabled.
• When the display size is scaled to more than 100 percent in Windows 10, mailbox elements are not displayed correctly in the additional mailboxes list box on the Advanced tab in Microsoft Exchange dialog box. Additionally, it is difficult to recognize them.
• When the weather service isn’t available, Outlook doesn’t stop making service calls after it receives an HTTP 404 error. This causes a heavy network load.

View: Download information for KB4484212

Note: This update can be installed via Microsoft Update and updates Outlook to version 16.0.4954.1000. This update does not apply to Perpetual and Office 365 based installations of Office 2016.

Cumulative Update 4 for Exchange 2019 is now available. It contains 1 security update and 12 additional documented new fixes or improvements, as well as all previously released fixes and security updates for Exchange 2019 and the latest DST updates.

Notable improvements, changes and fixes are;

• .NET Framework 4.8 is now required.
• Cumulative Update 4 includes a significant update to the Exchange 2019 sizing calculator. Version 10.3 of the calculator includes improvements to calculations and default settings which allow for better and smoother utilization of disk resources.
• KB4532747: Address list separation not working for a user without a mailbox in Exchange Server 2019.
• KB4528690: Can’t move or delete folder in Outlook online mode if the destination has a folder with the same name in Exchange Server 2019.
• KB4528694: Can’t open .ics file in Outlook on the web in Exchange Server 2019
• KB4523171: Description of the security update for Microsoft Exchange Server 2019, 2016, and 2013: November 12, 2019 which discusses CVE-2019-1373. This update was released separately for CU3 as well.

This release includes no new updates to the Active Directory Schema.
The next planned quarterly update is in March 2020. 

Download: Cumulative Update 4 for Exchange Server 2019 (KB4522149) (from MVLC)
View: Description of Cumulative Update 4 for Exchange Server 2019
View: Blog post of the Exchange Team about CU4 for Exchange Server 2019

Cumulative Update 15 for Exchange 2016 is now available. It contains 1 security update and 13 additional documented new fixes or improvements, as well as all previously released fixes and security updates for Exchange 2016 and the latest DST updates.

Notable improvements, changes and fixes are;

• .NET Framework 4.8 is now required.
• KB4532747: Address list separation not working for a user without a mailbox in Exchange Server 2016.
• KB4528690: Can’t move or delete folder in Outlook online mode if the destination has a folder with the same name in Exchange Server 2016.
• KB4528694: Can’t open .ics file in Outlook on the web in Exchange Server 2016
• KB4523171: Description of the security update for Microsoft Exchange Server 2019, 2016, and 2013: November 12, 2019 which discusses CVE-2019-1373. This update was released separately for CU14 as well.

This release includes no new updates to the Active Directory Schema.
The next planned quarterly update is in March 2020. 

Download: Cumulative Update CU15 for Exchange Server 2016 (KB4522150)
Download: Exchange Server 2016 CU15 UM Language Packs
View: Description of Cumulative Update 15 for Exchange Server 2016
View: Blog post of the Exchange Team about CU15 for Exchange Server 2016

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

It contains 5 security updates for Excel (1), PowerPoint (1), Word (1) and Office (2). In addition, it contains 1 documented non-security fix for Outlook Monthly, 3 for Semi-Annual (Targeted) 1908, 2 for Semi-Annual 1902 and 1 for Semi-Annual 1808.

• Monthly and Semi-Annual (Targeted) 1908: Addresses an issue that caused web add ins to access Digital Rights Managed messages.
• Semi-Annual (Targeted) 1908: Corrected an issue with SMIME algorithm selection.
• Semi-Annual (Targeted) 1908: Addressed an issue that caused users to see a “The rules on this computer do not match the rules on Microsoft Exchange” prompt when opening the Rules dialog.
• Semi-Annual 1902: Addresses an issue that caused customers to encounter a crash when attempting to create a rule from a “missed conversation” message.
• Semi-Annual 1902 and 1808: Calendar items for next year may display an incorrect time in Outlook. This update enables Outlook to override certain time zone settings that are used by Outlook. In order to override a time zone, you must set the TimeZoneOverride registry key for the current user

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

• Office 365, Outlook 2016 Retail, Outlook 2019 Retail
  Version 1911 (Build 12228.20364)
• Office 365 Semi Annual (Targeted)
  Version 1908 (Build 11929.20516)
• Office 365 Semi Annual
  Version 1902 (Build 11328.20492)
  Version 1808 (Build 10730.20426)
• Outlook 2019 Volume License
  Version 1808 (Build 10353.20037)

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 installation of Office 2016.

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

• When you use the Brasilia time zone in the year 2019, recurring meetings and appointments are displayed in the wrong time slot for the year 2020. This update is relevant to Outlook that’s set in the Brasilia time zone or to meetings and appointments that are set in that time zone.
• This update enables Outlook to override certain time zone settings that are used by Outlook. In order to override a time zone, you must set the TimeZoneOverride registry key for the current user.

View: Download information for KB4484172

Note: This update can be installed via Microsoft Update and updates Outlook to version 16.0.4939.1001. This update does not apply to Perpetual and Office 365 based installations of Office 2016.

Although we are already a few days into December, Microsoft has just released the November feature update of Outlook for Office 365 (Monthly Channel).

There are no new feature for Outlook this month, but there are several notable fixes;

• Addressed an issue that caused users to see an empty message box with an “OK” button when trying to contact support from the Account Creation context.
• When using the Brazilia time zone in the year 2019, recurring meetings and appointments are displayed in the wrong timeslot for the year 2020. This change is relevant for clients set in the Brazilia time zone or for meetings and appointments set in that time zone.
• Addressed an issue that caused users to see a “The rules on this computer do not match the rules on Microsoft Exchange” prompt when opening the Rules dialog.
• Corrected an issue with SMIME algorithm selection.
• Addressed an issue that caused the Location field in meetings to get updated unexpectedly.

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 1911 (Build 12228.20332).

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

It contains 4 security updates for Excel (2) and Office (2). In addition, it contains 2 documented non-security fixes for Outlook Monthly, 7 for Semi-Annual (Targeted) 1908, 2 for Semi-Annual 1902 and 1 for Semi-Annual 1808. Most notable fixes are;

• Monthly: Addressed an issue that caused users to see the location field in meetings change unexpectedly.
• Monthly: Addressed an issue that caused users to see an empty message box with an “OK” button when trying to contact support from the Account Creation context.
• Semi-Annual 1902: Addressed an issue that caused users to observe memory leaks when toast notifications were enabled.
• Semi-Annual 1902: Addressed and issue that caused customers to notice a memory leak in Outlook.
• Semi-Annual 1808: Addresses an issue that caused users with a “mail to keep offline setting” of anything other than “All” to see data loss when moving items outside of the sync window from a local store to Exchange Online mailbox.

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

• Office 365, Outlook 2016 Retail, Outlook 2019 Retail
  Version 1910 (Build 12130.20344)
• Office 365 Semi Annual (Targeted)
  Version 1908 (Build 11929.20436)
• Office 365 Semi Annual
  Version 1902 (Build 11328.20468)
  Version 1808 (Build 10730.20416)
• Outlook 2019 Volume License
  Version 1808 (Build 10352.20042)

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 installation of Office 2016.

A Rollup Update has been released for Outlook 2016. This is a non-security update which contains 5 documented improvements and fixes.

• This update adds a PreferProvidedEmailInAutoDiscoverAuthPrompts registry key that enables Exchange administrators to specify whether users will be authenticated by using the configured account email or the user principal name (UPN) during AutoDiscover scenarios.
• Outlook doesn’t show original URL on hover on an email message with more than 50 URLs.​
• Fixes a memory leak when you use Outlook 2016.
• When you save an email message to the Drafts folder after you change the sender in online mode, the sender name is changed to the LegacyExchangeDN value.
• When you copy an attached email message from the preview pane, and then paste it in an inline reply, Outlook 2016 crashes.

View: Download information for KB4484139

Note: This update can be installed via Microsoft Update and updates Outlook to version 16.0.4927.1000. This update does not apply to Perpetual and Office 365 based installations of Office 2016.

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

• CVE-2019-1373: Microsoft Exchange Remote Code Execution Vulnerability
  A remote code execution vulnerability exists in Microsoft Exchange through the deserialization of metadata via PowerShell. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the logged in user. Exploitation of this vulnerability requires that a user run cmdlets via PowerShell. The security update addresses the vulnerability by correcting how Exchange serializes its metadata.

View: Description of the security update for Microsoft Exchange Server 2019, 2016, and 2013: November 12, 2019
Download: Security Update For Exchange Server 2013 Cumulative Update 23 (KB4523171)
Download: Security Update For Exchange Server 2016 Cumulative Update 13 (KB4523171)
Download: Security Update For Exchange Server 2016 Cumulative Update 14 (KB4523171)
Download: Security Update For Exchange Server 2019 Cumulative Update 2 (KB4523171)
Download: Security Update For Exchange Server 2019 Cumulative Update 3 (KB4523171)