Quality and performance improvements.

Release notes for Office for Mac

January 13, 2026
Version 16.105 (Build 26011018)

Feature updates
Outlook

• Calendar: Meeting attendees now have the option to add a conference room to events scheduled using Office 365 enterprise accounts.
• Calendar: The calendar now allows users to toggle between grid and list views using the view switcher located on the calendar surface.

Resolved issues
Excel

• Quality and performance improvements.
  OneNote
• Quality and performance improvements.
  Outlook
• Quality and performance improvements.
  PowerPoint
• Quality and performance improvements.
  Word
• Quality and performance improvements.

Security updates
Excel

• CVE-2026-20946
• CVE-2026-20949
• CVE-2026-20950
• CVE-2026-20955
• CVE-2026-20956
• CVE-2026-20957

Word

• CVE-2026-20948
• CVE-2026-20944

Office Suite

• CVE-2026-20952
• CVE-2026-20953