The file ospprearm.exe is a legitimate command-line utility provided by Microsoft to reset (rearm) the activation period for volume-licensed versions of Microsoft Office . Official Use and Documentation
If you have Office installed, the file is typically located in one of these system directories: 64-bit Office C:\Program Files\Microsoft Office\Office16 (the number may vary by version). 32-bit Office on 64-bit Windows C:\Program Files (x86)\Microsoft Office\Office16 Common Files ospprearmexe download verified
However, there is a critical warning every user must understand before clicking any download button. This article will explain what OSPPREARM.EXE is, why you need it, where to find a verified copy, and the security risks associated with downloading it from untrusted sources. The file ospprearm