How To Fix Microsoft Office Ltsc Professional Plus 2021 Preview Has Expired Jun 2026

Are you using this for or for a business/organization ? Do you already have a purchased product key , or

Yes. You can switch to LibreOffice , Google Workspace , or OnlyOffice . They do not expire. But if you need 100% compatibility with complex Office macros, you must buy a license. Are you using this for or for a business/organization

Encountering the error message can be frustrating. You are mid-way through an important report, spreadsheet, or presentation, and suddenly, Office locks you out. Buttons are greyed out, menus disappear, and a persistent dialog box blocks your workflow. They do not expire

Requires a Volume License Key (VLK) or Multiple Activation Key (MAK) from the Microsoft Microsoft 365 Admin Center. Option B: Office Home & Business 2021 (Retail) You are mid-way through an important report, spreadsheet,

If you are a home user who accidentally installed an enterprise LTSC preview build, LTSC is likely not the correct product for you.

Open Command Prompt as an Administrator, navigate to your ODT folder, and run: setup.exe /configure configuration.xml