September 2026

The following changes will be rolled out successively and will be available soon.

Changes

44739 Outlook Add-In: The task pane can be pinned in reading view.

44878 Outlook Add-In: The task pane can be pinned in edit view.

50436 Content Disarm and Reconstruction (CDR) now supports PowerPoint files.

Fixed bugs

42567 Encryption Only: Issues in the SMTP Outbound Connector after resetting the “EnforceTcpProxyForNonProtectionTenants” flag.

47730 Emails are delivered even if a filter times out.

50504 EC-SMIME decryption is not working.