Microsoft 365 apps: Support will retire for 32-bit Microsoft 365 apps on Windows Arm-based PCs

We will retire support for the 32-bit edition of Microsoft 365 apps for Microsoft Windows Arm-based devices. New feature updates will stop in October 2025 and security updates will end in December 2026. We recommend upgrading to the 64-bit edition, where we will continue to invest our development resources.

You are receiving this message because our reporting indicates your organization may be using the 32-bit edition for Microsoft 365 Apps on Windows Arm-based PCs.

Learn more how to detect and upgrade these devices here: End of Support for 32-bit Microsoft 365 Apps on Windows Arm-based PCs - Microsoft 365 Apps