Summary

Upgrading to this new release is critical for continued support of add-ins to be installed in Microsoft Outlook in Microsoft Exchange Server 2013. All new add-in manifest files will be signed by using a new RFC3161-based timestamping. This will deprecate the use of SHA1-based timestamping. You will not be able to install or start any new office add-ins until you upgrade to this new version.

How to get this update

To get this update, install the following updates:

Description of the security update for Microsoft Exchange Server 2013: March 8, 2022 (KB5010324) or a later cumulative update for Exchange Server 2013.

References

Learn about the terminology that Microsoft uses to describe software updates.

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Insiders

Was this information helpful?

What affected your experience?

Thank you for your feedback!

×