How To Fix Microsoft Office Ltsc Professional Plus 2021 Preview Has Expired [upd] -

"Microsoft Office LTSC Professional Plus 2021 Preview has expired. Most features of Word have been disabled. Contact your administrator or help desk for an updated version of Office."

: You or an IT administrator originally installed the public beta/preview build of Office 2021 before the official commercial deployment. Preview builds are designed with strict, hardcoded kill-switch expiration dates.

: Open any Office app (like Word) and navigate to File > Account . Under Product Information , select Change Product Key (or "Switch License") and enter your valid MAK or retail key.

This means your Command Prompt was not opened with Administrative privileges. "Microsoft Office LTSC Professional Plus 2021 Preview has

If you have a legitimate Volume License or a commercial Product Key for the official release of Office LTSC Professional Plus 2021, you can convert your preview installation without reinstalling the entire suite. This is done using the . Step 1: Download the Office Deployment Tool Visit the official Microsoft Download Center. Search for and download the Office Deployment Tool (ODT) .

This may re‑enable Office for a short grace period but . Suitable only for data recovery before uninstalling.

Have a question? Let me know in the comments, and I’ll help you troubleshoot. This means your Command Prompt was not opened

: If the key was purchased from a low-cost, third-party reseller, it may have been an unvetted volume licensing trial key that Microsoft eventually blacklisted or revoked.

Open Command Prompt as Administrator

If you are an admin testing configurations or want a clean install without using an ISO, you can use the Office Deployment Tool (ODT) to overwrite the preview with the current channel build. and I’ll help you troubleshoot.

The system will cleanly install the stable, permanent commercial edition of Office LTSC 2021. Troubleshooting Activation Overlaps

Type the following command and press Enter (adjust the path if you installed on a different drive): cd "C:\Program Files\Microsoft Office\Office16" (If you are running a 32-bit version of Office on 64-bit Windows, the path may be C:\Program Files (x86)\Microsoft Office\Office16 )

Visit the official Microsoft Download Center and search for the . Download the officedeploymenttool.exe file.

Periodically check File > Account to ensure the product is listed as "Product Activated" rather than "Trial Expires On..." Summary Table of Solutions Recommended Fix I bought a license key Change Product Key in File > Account. I need an urgent fix Run cscript ospp.vbs /rearm in Admin Command Prompt. Preview keeps coming back Uninstall fully, restart, and install final build.

An Office installation wizard will appear. Wait for it to complete. Step 5: Activate the Software