How to Fix Office for Mac Update Error (Version 16.83 to 16.84)
Question details
Users are unable to upgrade Microsoft Office for Mac applications from version 16.83 to 16.84 because the Microsoft AutoUpdate tool fails to process the installation.

- Product
- Microsoft Office for Mac, Microsoft AutoUpdate
- Device & OS
- Mac
- Scenario
- Attempting to download and install the version 16.84 update for Office for Mac applications.
- Observed behavior
- Microsoft AutoUpdate (specifically version 4.70) fails to detect, download, or properly install the latest version 16.84 update.
Ensure your Mac has a stable internet connection and sufficient free disk space to download the standalone application installer packages.
Update Office Applications Manually via Direct Links
Bypass the Microsoft AutoUpdate tool entirely by downloading the standalone installer packages directly from the official Microsoft release history page.
When the Microsoft AutoUpdate utility encounters a persistent error, installing the application updates directly is the most reliable workaround. This method updates the core applications without relying on the automated tool.
Open your web browser and navigate to the official Microsoft 'Update history for Office for Mac' page.
Scroll to the release notes for version 16.84. Click the download links provided for the individual applications you need to update, such as Word, Excel, PowerPoint, and OneNote.
Locate the downloaded .pkg files in your Mac's Downloads folder. Double-click each file and follow the on-screen installation prompts to manually apply the updates.

Reinstall Microsoft AutoUpdate and Restart Mac
Resolve underlying glitches in the AutoUpdate tool by installing the latest version and rebooting the system.
Try WPS Office for Mac for a Hassle-Free Experience
If Microsoft Office updates are causing frequent frustration and interrupting your workflow, consider switching to WPS Office. It provides a lightweight, highly compatible, and free alternative that doesn't suffer from heavy, restrictive update mechanisms.
- 1. Download the App: Visit the official WPS Office website and download the Mac installer.
- 2. Install and Launch: Drag the WPS Office icon to your Applications folder, then open the suite.
- 3. Open Your Files: Drag and drop your existing Word, Excel, or PowerPoint files directly into WPS Office to continue working seamlessly.

Frequently Asked Questions
Why does Microsoft AutoUpdate version 4.70 fail to install the 16.84 update?
This error typically occurs due to corrupted updater cache files, network timeouts during the download process, or background permissions issues on macOS that prevent AutoUpdate from executing the installation script.
Where can I safely find the direct download links for Office for Mac?
You can find safe, official standalone installers by searching for the 'Update history for Office for Mac' page on the official Microsoft Learn or Microsoft Support websites.
Do I need to uninstall the old version of Office for Mac before installing the 16.84 package manually?
No, you do not need to uninstall the previous version. The standalone installer will automatically detect your current version (16.83) and overwrite only the necessary application files to upgrade it to 16.84.




