Is It On Arm?
3

Microsoft 365 on Windows on ARM

Microsoft · Office & Productivity
YESAn official ARM64 build is available.

Word, Excel, PowerPoint, Outlook and OneNote are ARM64

Confirmed Nov 4, 2026 · tested by Microsoft, NVIDIA
Download ARM64 ↗Report a problem

Details

ARCHITECTURE
ARM64 (native)
BUILD
Official
GET IT FROM
Direct download
LICENSE
Paid
PUBLISHER
Microsoft
CONFIRMED NATIVE
Nov 4, 2026
TESTED BY
Microsoft, NVIDIA
DOWNLOAD LINK CHECKED
Pending
ARM64 PROOF
Not yet checked
SOURCES
Our research, armrepo community list, Works on WoA (Linaro)

Make sure it's running native

  1. 01Open Microsoft 365, then press Ctrl + Shift + Esc to open Task Manager.
  2. 02On the Details page, right-click a column header, choose Select columns, and tick Architecture.
  3. 03Find its process. ARM64 means native. x64 means you have the emulated build, so reinstall it from the link above.
What ARM64EC and the other values mean

Questions

Does Microsoft 365 run natively on Windows on ARM?

Yes. Microsoft publishes an official ARM64 build.

Where do I download Microsoft 365 for ARM64?

Use the direct download link on this page. Word, Excel, PowerPoint, Outlook and OneNote are ARM64. If Task Manager shows the app as x64 after installing, you have the emulated build.

Will Microsoft 365 run on a Snapdragon X laptop or Copilot+ PC?

Yes. The ARM64 build runs on any Windows 11 on ARM PC, including Snapdragon X-series laptops, Surface Pro and Surface Laptop, and other Copilot+ PCs.