ospp.vbs stands for Office Software Protection Platform Visual Basic Script. It is a legitimate, Microsoft-signed script used exclusively for managing volume licensing versions of Microsoft Office (2010, 2013, 2016, 2019, and 2021).
Unlike the consumer versions of Office (Home & Student, Personal, or 365) which activate via your Microsoft account, volume licensed versions (ProPlus, Standard, LTSC) use a Key Management Service (KMS) or Multiple Activation Key (MAK). The ospp.vbs script is the command-line tool that allows administrators to:
If you are using a legitimate volume license from your company or school, this script is your best friend.
If a repair fails, uninstall Office completely using the official Microsoft Support and Recovery Assistant (SaRA), then reinstall from your Microsoft account or volume licensing portal.
False. Microsoft 365 Family/Personal subscriptions use token-based activation. Running ospp.vbs will do nothing.
Never run scripts downloaded from third-party websites as Administrator. Even if the file name looks correct, one wrong line of code can compromise your system.
If you need to manage Office activation, use the official tools from Microsoft—not a random .vbs file from a forum.
If Office is installed, the file is already on your computer. It is usually located in:
C:\Program Files\Microsoft Office\Office16\
Or (for 32-bit Office on 64-bit Windows):
C:\Program Files (x86)\Microsoft Office\Office16\
(Note: Office16 = Office 2016/2019/2021. For older versions, it may be Office14 or Office15.)
Open Command Prompt as Administrator and navigate to that folder to run the script safely.
This paper explains what ospp.vbs is, legitimate uses, where it normally resides, safe ways to obtain it, command examples for licensing and activation tasks for Microsoft Office, and security/privacy considerations. It targets system administrators and IT professionals managing volume-licensed Microsoft Office deployments.
If you are missing ospp.vbs, do not download it from the web. Instead, try these safe methods: