If you have a legitimate license but lost your key, the Microsoft Support site suggests checking the following:

. Continuing to use this software, especially with unauthorized keys, poses significant security risks as it no longer receives critical security patches or technical updates. Microsoft Learn Status of Office 2007 Activation in 2026 GitHub Repositories:

: Batch files or Python tools that claim to bypass Microsoft's activation servers. Critical Risks and Considerations Install Office 2007 - Microsoft Support