MICROSOFT RETIRES 365 COMPANION APPS IN DECEMBER

INDUSTRY DESK■ 1 MIN READ

MON, SEP 21, 2026

■ AI-SUMMARIZED FROM 1 SOURCE ▸ TIMELINE

Microsoft will discontinue its Calendar, People, and Files Microsoft 365 companion apps on December 16. The company is directing admins to remove the applications from managed devices.

The three companion apps will reach end-of-life on December 16, marking Microsoft's consolidation of its productivity software lineup. Calendar, People, and Files apps will no longer be supported after this date. Microsoft has advised administrators to proactively uninstall these applications from managed devices ahead of the retirement deadline. The move suggests the company is steering users toward alternative solutions or integrated features within its broader Microsoft 365 ecosystem. No official statement indicates what replacements or alternatives Microsoft is recommending for users who rely on these companion apps. Organizations using these tools should plan migration strategies before the December cutoff to avoid service disruptions. This retirement aligns with Microsoft's broader strategy of consolidating its software portfolio and encouraging adoption of integrated cloud-based solutions.

■ SOURCES

► Bleeping Computer

■ SUMMARY WRITTEN BY AI FROM THE LINKS ABOVE

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MICROSOFT RETIRES 365 COMPANION APPS IN DECEMBER

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