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

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.