Ospprearm.exe must match your specific version of Microsoft Office (e.g., Office 2016, 2019, 2021, or 365). A file downloaded from the internet likely will not work.
prioritize using the version that comes with your official Microsoft Office installation. If your file is missing, the safest "download" is to run a Repair on your Office installation via the Windows Control Panel. Conclusion Download BEST Ospprearm.exe
Close the window, search for CMD again, right-click it, and select Run as Administrator . Summary: Play It Safe Ospprearm