: It can generally be used up to five times, potentially extending the use of Office for up to 180 days without a permanent license. How to Find and Use OSPPREARM.exe
: Check the publisher of the file. Reputable software developers usually have verified identities on their websites and digital platforms.
When corrupted licensing data triggers an activation failure, the rearm process can clear the problematic tokens and reset the configuration, often resolving the error.
C:\Program Files (x86)\Microsoft Office\Office16 For Microsoft Office 2013: 64-bit Windows: C:\Program Files\Microsoft Office\Office15 Download BEST Ospprearm.exe
(Office Software Protection Platform Rearm) is a command-line utility developed by Microsoft . Its primary function is to "rearm" the activation state of Microsoft Office, effectively resetting the trial period or grace timer for volume-licensed versions .
This error occurs if you have exceeded the maximum allowed number of rearms. Once the built-in counter hits zero, the utility will block further extension attempts, and you must purchase a valid license key or reinstall the operating system to reset the hardware identifier clock. Safe and Legal Alternatives to Software Cracks
You do not need to download it. If you have Microsoft Office installed, the genuine Microsoft-signed version of ospprearm.exe is already sitting in your system folders. 2. High Risk of Trojan and Malware Infections : It can generally be used up to
: Always download Office deployment tools directly from the official Microsoft Download Center.
: You should see a message saying "Microsoft Office rearm successful".
This means you entered the wrong directory path. Verify whether your Office installation is 32-bit or 64-bit, and ensure the folder name (like Office16 ) matches what is physically on your C: drive. "Error: 0xC004FE00" or Failed Rearm This error occurs if you have exceeded the
This content is for educational purposes and assumes that BEST Ospprearm.exe is a legitimate software. Always verify the authenticity and purpose of any software before downloading.
Open any Office application to see if the activation prompts have disappeared. If you are on a trial version, your grace period should now be reset.
Close the Command Prompt and launch any Office application (like Word or Excel). Your evaluation grace period will be reset. Troubleshooting Common Errors
While OSPPREARM.exe can be a helpful short-term tool, users often misunderstand what it can and cannot do.