How to Fix "Upgrade Required" When You Can't Upgrade Apps in Office on Mac

If you can't upgrade apps despite seeing an "upgrade required" notification, the root cause is tied to your specific license. Users relying on a standalone For home license of Office 2019 will find that version 16.78 is the absolute final release supported for their purchase. When you open Word or Excel on MacOS and trigger the updater, it scans the servers for Microsoft 365 and Office but recognizes your 2019 license is no

Understanding Why You Can't Upgrade Apps on MacOS (The Version 16.78 Cap)

If you can't upgrade apps despite seeing an "upgrade required" notification, the root cause is tied to your specific license. Users relying on a standalone For home license of Office 2019 will find that version 16.78 is the absolute final release supported for their purchase. When you open Word or Excel on MacOS and trigger the updater, it scans the servers for Microsoft 365 and Office but recognizes your 2019 license is no longer eligible for newer builds (like 16.79 or higher)

Please explain to the reader that this is not a glitch in their system, but a deliberate end-of-lifecycle cap by the developer. Cite the fact that users can safely ignore the prompt if they wish to remain on their current operating environment

4-Step Primary Solution to Resolve the Update Loop

The steps below target "Upgrade Required" When You Can't Upgrade Apps in Office on Mac and use Main Update Window as the visible reference point.

1. Open Microsoft Word (or Excel/PowerPoint) on your MacOS device
2. Navigate to the top Apple menu bar, click on Help , and select Check for Updates . This opens the Microsoft AutoUpdate application
3. In the main AutoUpdate window, locate and uncheck the box labeled "Automatically keep Microsoft Apps up to date"
4. Click the red Close (X) button in the top-left corner of the window. You can now continue using your current version without the false "upgrade required" interruption

How to Verify the Word Result

The workflow is complete only after this confirmation: Click the red Close (X) button in the top-left corner of the window. You can now continue using your current version without the false "upgrade required" interruption If the expected state is missing, revisit Automatically keep Microsoft Apps up to date in Main Update Window.

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Word FAQs About "Upgrade Required" When You Can't Upgrade Apps in Office on Mac

Why does my Mac say "upgrade required" but I have no option to update?

If you are using the 2019 standalone version, version 16.78 is the final release. The auto-updater triggers a notification because newer versions exist globally, but your specific license blocks them. Disable automatic updates to stop the prompt.

Can I safely continue using version 16.78 on macOS Sequoia?

Yes. While it will not receive further feature updates, version 16.78 is stable and works on recent macOS updates. Simply ignore the upgrade prompt.

Do I need to buy a subscription to fix the update error?

You do not have to buy a subscription if you are happy with the current features. You can disable the AutoUpdate tool. However, if you want security patches and new features, you must migrate to a newer license or switch to an alternative like WPS Office.

How do I completely turn off Microsoft AutoUpdate on Mac?

Open any Office application, go to Help > Check for Updates, and uncheck "Automatically keep Microsoft Apps up to date". If the app runs in the background, you can also force quit Microsoft AutoUpdate via the Activity Monitor.