Launch any Office application, such as Word or Excel .
: If Office is already installed and activated, you might be able to retrieve the original product key by running wmic path softwarelicensingservice get OA3xOriginalProductKey in an administrative Command Prompt. Activation Steps
If you have already purchased a license, you can retrieve your key through several official channels:
: Sign in at account.microsoft.com/services – sometimes old Office 2016 keys you legitimately bought are still listed there.
: Most “free serial keys” shared on forums or torrent sites are either fake, already blocked, stolen (VLK leaks), or bundled with malware. Keygens often contain trojans or miners.
Under "Product Information," click Change Product Key (or "Activate Product" if it hasn't been activated yet).
: If you work for an organization, check with your IT department—they may have MAK or KMS activation available.
Support for Office 2016 officially ended in October 2025 , meaning it no longer receives critical security patches, making it more vulnerable to exploits. Where to enter your Office product key - Microsoft Support
: Most modern versions of Office link the license directly to your Microsoft Account . You can often sign in at account.microsoft.com to reinstall without needing to re-enter a manual key.
Launch any Office application, such as Word or Excel .
: If Office is already installed and activated, you might be able to retrieve the original product key by running wmic path softwarelicensingservice get OA3xOriginalProductKey in an administrative Command Prompt. Activation Steps
If you have already purchased a license, you can retrieve your key through several official channels:
: Sign in at account.microsoft.com/services – sometimes old Office 2016 keys you legitimately bought are still listed there.
: Most “free serial keys” shared on forums or torrent sites are either fake, already blocked, stolen (VLK leaks), or bundled with malware. Keygens often contain trojans or miners.
Under "Product Information," click Change Product Key (or "Activate Product" if it hasn't been activated yet).
: If you work for an organization, check with your IT department—they may have MAK or KMS activation available.
Support for Office 2016 officially ended in October 2025 , meaning it no longer receives critical security patches, making it more vulnerable to exploits. Where to enter your Office product key - Microsoft Support
: Most modern versions of Office link the license directly to your Microsoft Account . You can often sign in at account.microsoft.com to reinstall without needing to re-enter a manual key.
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