For IT administrators: Always rely on official Microsoft documentation and deployment tools (OSPP.vbs, Volume Activation Management Tool). For home users: If you are not on a corporate volume license, Ospprearm.exe is irrelevant to your Office experience. When in doubt, repair your Office installation through official channels or reinstall from your genuine Microsoft account.
(Word, Excel, Outlook, etc.) to avoid interference. ---- Ospprearm.exe Office 2016 Download
Press the , type cmd , right-click it, and select Run as administrator . For IT administrators: Always rely on official Microsoft
To use the tool effectively, you must run it with administrative privileges: Close all Office applications (Word, Excel, etc.). Start Menu , right-click on Command Prompt , and select Run as Administrator Navigate to the folder using the command. For example: cd "C:\Program Files\Microsoft Office\Office16" OSPPREARM.exe If successful, you will see the message: "Microsoft Office rearm successful" Microsoft Learn 3. Verifying the New Status (Word, Excel, Outlook, etc
Or, if you prefer using the VBS script (recommended for advanced users):