How to Fix "Microsoft Office LTSC Professional Plus 2021 Preview Has Expired"

to get through the day. One morning, Alex opened Word to find a bright yellow bar at the top with a dreaded message:

If your Microsoft Office LTSC Professional Plus 2021 Preview has expired, it is because the preview period for that specific version has ended. Since LTSC (Long Term Service Channel) is a perpetual license meant for stability, the fix involves moving from the temporary preview license to a full, permanent license. 1. Purchase a Valid License

After installing the GA build, open an application like Word. You will likely be prompted to sign in or activate. Use your Volume License key (MAK) or ensure your client can reach your organization’s KMS host. To verify activation, open Command Prompt as Administrator, navigate to C:\Program Files\Microsoft Office\Office16 , and run cscript ospp.vbs /dstatus . You should see a license description that reads "Office LTSC Professional Plus 2021" without the word "Preview" .