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.
