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
configuration.xml, ensure the <Add> tag specifies Channel="PerpetualVL2021" and omits AcceptEULA="True" alongside the correct product ID (ProPlus2021Volume). Do not use Preview or SemiAnnualPreview channels.Instead, if you don’t have a license key, contact your company’s IT department or purchase a legitimate key from a reputable retailer. If your Microsoft Office LTSC Professional Plus 2021
replace the expired preview license with a valid full-version license or extend the trial period . Once the preview expires, the applications enter a read-only mode Volume Licensing (VL) Media: If your organization uses
, meaning you can view or print documents but cannot create or edit them. To resolve this, you must move to a licensed version, as there is no way to "renew" a preview build once its time is up. Step 1: Uninstall the Preview Version Instead, if you don’t have a license key,
You cannot simply "update" a Preview build to a retail build. You must perform a clean removal to prevent registry conflicts. Open Settings > Apps > Apps & Features.