How To — Fix Microsoft Office Ltsc Professional Plus 2021 Preview Has Expired !full!

sfc /scannow

: The preview is not a permanent product. You must have a valid Volume License Key (MAK or KMS) or a purchased retail key for Office 2021. sfc /scannow : The preview is not a permanent product

Run a repair scan just in case. Open Terminal (Admin) and run: sfc /scannow : The preview is not a permanent product