: You must run the command prompt as an administrator.
No. Running the file will do nothing because your license mechanism is different (click-to-run, MSI retail, or subscription). It will not activate your Office.
The filename is ospprearm.exe . You can verify its authenticity by right-clicking → Properties → Digital Signatures tab – it should show a valid Microsoft signature.
: You should see a message stating "Microsoft Office rearm successful." Important Limitations
: You must run the command prompt as an administrator.
No. Running the file will do nothing because your license mechanism is different (click-to-run, MSI retail, or subscription). It will not activate your Office.
The filename is ospprearm.exe . You can verify its authenticity by right-clicking → Properties → Digital Signatures tab – it should show a valid Microsoft signature.
: You should see a message stating "Microsoft Office rearm successful." Important Limitations