Microsoft Office 16.64.22081401.dmg May 2026

According to the Official Office for Mac Release Notes , this specific build addressed several user-reported issues:

Resolved a critical issue where the search function failed to return results for older messages on certain macOS versions. It also fixed an issue where the "Chat" button incorrectly appeared in the toolbar when Microsoft Teams was not installed. Microsoft Office 16.64.22081401.dmg

For users still utilizing this build, it is important to note that reached its end of support in October 2023. To ensure your suite remains secure, you should: According to the Official Office for Mac Release

Current versions of Office (16.78+) now require a minimum of macOS Monterey or later to install. Installer Microsoft Office For MacOS - GitHub Microsoft Office 16.64.22081401.dmg