Microsoft 365 companion apps (Product): news timeline & CVEs

Microsoft to retire Microsoft 365 Companion apps in December

Microsoft retires its Microsoft 365 companion apps on December 16, 2026, and they will no longer function or be supported.

Microsoft announced the retirement of its Microsoft 365 companion apps (Calendar, People, and Files) effective December 16, 2026, after a year of automatic installation. The apps were designed to streamline workflows and are no longer supported or functional.

BleepingComputerSep 21, 17:54 UTC · 5d agoOther 3 sources

USN-8795-1: OpenJDK 17 vulnerabilities

Microsoft retires its Microsoft 365 companion apps in December 2026, requiring admins to remove them from managed devices.

Microsoft announced the retirement of its Microsoft 365 companion apps (Calendar, People, Files) on December 16, 2026, requiring admins to remove them from managed devices.

Ubuntu Security Noticesupdated Sep 21, 17:54 UTC · 5d agofirst Sep 21, 16:06 UTC · 5d agoPhishing & fraud 3 sources CVE-2026-61308 CVE-2026-70907 CVE-2026-60589

Microsoft 365 companion apps

Timeline2 articles

Related CVEsby mentions

Appears with

Microsoft to retire Microsoft 365 Companion apps in December

USN-8795-1: OpenJDK 17 vulnerabilities