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

Q: Will I lose my Word/Excel documents? A: No. Your documents are saved separately on your hard drive or OneDrive. Uninstalling Office does not delete your .docx or .xlsx files.

Q: Can I just set my system clock back? A: No. Office 2021 previews use cryptographic time-stamping. Changing the date will break SSL certificates (websites will show errors) and still won’t unlock Office. Q: Will I lose my Word/Excel documents

Q: Is there a free alternative? A: Yes. If you cannot buy Office, consider installing LibreOffice (free, open-source) or using the Microsoft 365 Web Apps (Word/Excel for free in your browser). Run the command prompt (Admin) and execute: cscript

Before applying a fix, confirm the issue: If the output shows a “Preview” product key

Run the command prompt (Admin) and execute:

cscript "C:\Program Files\Microsoft Office\Office16\ospp.vbs" /dstatus

If the output shows a “Preview” product key with status “Expired”, the report’s solutions apply.

For users with a valid LTSC 2021 volume license but who accidentally installed the preview.

Steps:

If you are in a corporate environment, the preview may have been deployed via Group Policy or Microsoft Endpoint Configuration Manager. In this case, individual fixes will not work because the system automatically reinstalls the preview from a network share.