OSPPREARM.EXE tool is a built-in Microsoft utility used to reset the activation grace period for Office 2016 WPS Office
. It is primarily designed for enterprise administrators to prepare system images for deployment Microsoft Learn Preparation Guide for Office 2016 Before running the tool, ensure you have administrative privileges and that all Office applications are completely closed Microsoft Learn 1. Locate the File
The file is already included in your Office installation; you typically do not need to download it from external sites . It is usually found in one of these directories: 64-bit Office on 64-bit Windows: C:\Program Files\Microsoft Office\Office16 Microsoft Learn 32-bit Office on 64-bit Windows: C:\Program Files (x86)\Microsoft Office\Office16 Microsoft Learn Alternative location:
C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\ 2. Run the Rearm Command Command Prompt as Administrator (Right-click "cmd" and select "Run as Administrator") WPS Office Navigate to the folder using the command. For example: cd "C:\Program Files\Microsoft Office\Office16" Microsoft Learn ospprearm.exe Microsoft Learn If successful, you will see the message: "Microsoft Office rearm successful" Microsoft Learn 3. Verify the Status To check the newly extended grace period: In the same Command Prompt window, type: cscript ospp.vbs /dstatus WPS Office Look for the "Remaining Grace" section to see the number of days left WPS Office Important Limitations Rearm Limit:
You can typically only run this command a limited number of times (often up to 5 times for retail versions or a set limit for volume versions) Trial vs. Volume: This method is primarily for Volume Licensed (KMS/MAK) versions Microsoft Learn
. If you use a retail version (like Home or Personal), the extension may be significantly shorter WPS Office If you receive error 0xc004d307
, it means you have exceeded the maximum allowed number of rearms
If you are missing the file or facing persistent errors, you can attempt to Repair Office through the Control Panel to restore official system files JustAnswer troubleshooting a specific error code you encountered while running this tool?
If you are evaluating Microsoft Office 2016 and your 30-day grace period is about to expire, you don't necessarily have to uninstall it just yet. Microsoft includes a built-in utility called OSPPREARM.exe (Office Software Protection Platform Rearm) that allows you to reset the activation timer. What is OSPPREARM.exe? ---- Ospprearm.exe Office 2016 Download
OSPPREARM.exe is a command-line tool designed for system administrators to "rearm" volume-licensed or trial versions of Office. Running this tool resets the 30-day trial counter, giving you more time to test the software before committing to a license. Where to Find OSPPREARM.exe
You do not need to download this file separately from third-party sites; it is already located in your Office installation folder. Common locations for Office 2016 include:
64-bit Windows (64-bit Office): C:\Program Files\Microsoft Office\Office16
64-bit Windows (32-bit Office): C:\Program Files (x86)\Microsoft Office\Office16
Alternative path: C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform How to Use the Rearm Tool
Close all Office apps: Ensure Word, Excel, and Outlook are completely shut down.
Open Command Prompt as Administrator: Search for cmd, right-click, and select "Run as administrator".
Navigate to the folder: Use the cd command to enter the correct path (e.g., cd "C:\Program Files\Microsoft Office\Office16"). Run the command: Type ospprearm.exe and hit Enter. OSPPREARM
Verify Success: You should see a message stating "Microsoft Office rearm successful". Important Limitations
Rearm Limit: You can typically use this command up to 5 times, potentially extending a 30-day trial to a total of 180 days.
License Types: This method works best for Volume Licensed (Enterprise/ProPlus) versions. Retail versions (Home & Student) may only allow a single 5-day extension.
Errors: If you see error 0xc004d307, it means you have exceeded the maximum number of allowed rearms. Troubleshooting Missing Files
If you cannot find the file, your installation might be corrupted. Instead of downloading potentially unsafe .exe files from the web, try Repairing your Office installation through the Control Panel or re-downloading the official installer from the Microsoft Account page.
The Ghost in the Machine: Understanding Ospprearm.exe for Office 2016 Ospprearm.exe is a built-in Microsoft utility used to reset the activation timer
(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
(Office Software Protection Platform Rearm) is an executable that tells Microsoft's licensing service to "start over" on a trial or evaluation period. : It resets the 30-day grace period for Office. : You can typically only run this command a maximum of two times on a single installation. : It is located in the Office installation folder, usually C:\Program Files\Microsoft Office\Office16\ Microsoft Learn 2. How to "Download" It Excel offloading to Azure cluster - Microsoft Learn dl-files
Let’s be direct. Searching “Ospprearm.exe Office 2016 Download” leads you to sites like:
dl-files.comdll-files.orgfix-exe.netThese sources pose severe risks:
Safe alternative: If your legitimate Ospprearm.exe is missing (e.g., accidentally deleted), repair your Office 2016 installation via Control Panel > Programs > Microsoft Office 2016 > Change > Repair. This restores all original binaries without external downloads.
If you have Office 2016 (Volume License edition) installed, the legitimate file is found here:
C:\Program Files (x86)\Microsoft Office\Office16\C:\Program Files\Microsoft Office\Office16\C:\Program Files\Microsoft Office\Office16\The filename is ospprearm.exe. You can verify its authenticity by right-clicking → Properties → Digital Signatures tab – it should show a valid Microsoft signature.
Still in the same folder, run:
cscript ospp.vbs /dstatus
This will show you the remaining grace period and the last 5 characters of the installed product key.
C:\Program Files (x86)\Microsoft Office\Root\Office16 for 32-bit Office on 64-bit Windows.