| Error Message | Cause | Solution | |---------------|-------|----------| | "No installed product keys detected" | Office Retail edition or no VL installation | Switch to a VL edition or use the appropriate activation method | | "Rearm count exceeded" | You’ve used all 5 rearms | Perform genuine KMS or MAK activation | | "Access denied" | Not running as administrator | Right-click > Run as administrator | | "File not found" | Wrong path or Office 2016 not installed (or 64-bit vs 32-bit mismatch) | Verify installation folder or reinstall Office VL |
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. ---- Ospprearm.exe Office 2016 Download
Activate Microsoft Office 2016 Now with Easy Steps - ATA International | Error Message | Cause | Solution |
If successful, you will see a message: "Microsoft Office rearm successful" . Why You Should Avoid Third-Party Downloads Activate Microsoft Office 2016 Now with Easy Steps