OSPPREARM.EXE tool is a built-in Microsoft utility used to reset the activation grace period for Office 2016 WPS Office
(the "grace period") for Office 2016 and other volume-licensed versions. While it is often sought after to bypass activation roadblocks, it is primarily a tool for IT administrators to prepare "clean" system images before deployment. Microsoft Learn 1. What Exactly is Ospprearm.exe? At its core, ospprearm.exe
: Microsoft limits the number of times a system can be rearmed (usually five times). Once this limit is reached, the utility will return an error, and the software must be officially activated. Security Warning ---- Ospprearm.exe Office 2016 Download
ospprearm.exe
Click Yes on any prompts. If successful, you may see a brief command window or a message stating "Microsoft Office rearm successful". 3. Using Command Prompt (Advanced Method)
If the simple method fails, use the elevated Command Prompt to see specific error messages: OSPPREARM
Searching for an "OSPPREARM.exe download" often leads to sites hosting potentially malicious files.
Rearm Limit: You can typically use this command up to 5 times, potentially extending a 30-day trial to a total of 180 days. Click Yes on any prompts
File Name: Ospprearm.exe
Full Name: Office Software Protection Platform Re-arm
Associated Product: Microsoft Office 2016 (Volume License editions, including Professional Plus, Standard, and Project/Visio VL)
Default Location: C:\Program Files\Microsoft Office\Office16\ (or C:\Program Files (x86)\Microsoft Office\Office16\ on 32-bit Office installed on 64-bit Windows)