The primary purpose of OSPPREARM.EXE is to reset the trial period or grace period for Microsoft Office installations. It is a legitimate Microsoft utility included with volume-licensed versions of Office to help administrators "rearm" the software before creating a master image for deployment. Microsoft Learn Proper Features and Functionality Trial Reset:
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Some versions store it in C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform . How to Use Ospprearm.exe Safely The primary purpose of OSPPREARM
Third-party "Download Ospprearm.exe" links are often used to distribute malware or adware How to Use It Legitimately Download BEST Ospprearm.exe