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This post provides a safe, verified guide for locating the ospprearm.exe file, which is used to reset the activation grace period for volume-licensed versions of Microsoft Office.

: Microsoft provides this tool primarily for enterprise administrators to prepare system images. Rearming resets the 30-day activation timer, allowing the image to be deployed to other machines without the countdown having already started. Legitimacy ospprearmexe download verified

The Only Verified Method to Obtain OSPPREARM.EXE

You do not need to search for an external download. Follow this official, safe method. This post provides a safe, verified guide for

Does OSPPREARM.EXE permanently activate Office?

No. Rearming only resets the 30-day trial grace period. It does not convert an unlicensed copy into a licensed one. You still need a valid KMS host, MAK key, or Microsoft 365 subscription. Resets the licensing timer: It resets the 30-day

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

OSPPREARM.EXE is an official Microsoft command-line utility used to reset (rearm) the activation grace period for volume-licensed versions of Microsoft Office. It is not a separate download; rather, it is a built-in component of the Office Software Protection Platform found within the Office installation directory. Super User Verification & Purpose Official Tool

  1. Resets the licensing timer: It resets the 30-day grace period back to 30 days.
  2. Clears activation data: It removes existing KMS client license keys and activation attempts.