How To Fix Microsoft Office Ltsc Professional Plus 2021 Preview Has Expired ~upd~ Jun 2026

To fix the "Microsoft Office LTSC Professional Plus 2021 Preview has expired" error, you must uninstall the preview version and install the stable, licensed version

Microsoft releases “Preview” versions of Office to businesses and enterprise testers before the final stable release. (typically after 90–180 days).

The "Microsoft Office LTSC Professional Plus 2021 Preview has expired" error is not a disaster. It simply means a trial period has ended. By following the steps above—particularly and installing a permanent version —you will regain full access to Word, Excel, PowerPoint, and Outlook. To fix the "Microsoft Office LTSC Professional Plus

For LTSC (Long-Term Servicing Channel) versions typically used in business environments, activation is handled via specific volume licensing methods:

An is more thorough than a Quick Repair, as it will uninstall and reinstall Office entirely. If the Online Repair fails to resolve the issue, your next step should be to use the official Microsoft Uninstall Support Tool (SaRA) to completely remove Office, restart your PC, and then perform a clean reinstall. It simply means a trial period has ended

: Preview versions are not upgradable to full versions. You cannot simply "enter a key" to fix an expired preview; you must uninstall the preview framework first.

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from Microsoft.com and extract the setup.exe and sample XML files.