Microsoft Office 365 (version 2301 Build 16026.... May 2026

: Critical patches to protect against macro-based vulnerabilities.

: In any Office app (like Word), go to File > Account . Your version and build will be listed under "About Word" or "About Excel" as described on Microsoft Support. Microsoft Office 365 (Version 2301 Build 16026....

If you are seeing this text while troubleshooting or checking your software status, here are two quick actions you can take: Microsoft Office 365 (Version 2301 Build 16026....

Are you trying to with this specific version, or are you just verifying your software for a compatibility check? Microsoft Office 365 (Version 2301 Build 16026....

: This indicates the year (2023) and the month (01 - January) of the release.