If you just need to open Office 2007 files:
Want to try it yourself? Dust off that old Windows XP machine or run a virtual copy. Office 2007 still works. And it’s still weirdly wonderful. Windows office 2007
Office 2007 - reloading after windows 11 problem - Microsoft Q&A If you just need to open Office 2007
If you run Windows 7 in a VM (VirtualBox or VMware) with no network access, Office 2007 can still function as a writing tool. But for any real-world work, it’s obsolete. And it’s still weirdly wonderful
Using on a machine connected to the internet today is dangerous . Unpatched vulnerabilities in Word, Excel, or Outlook can be exploited by malware, ransomware, or phishing attacks. Even opening a malicious .docx file from an email could compromise your system. If you only need to view old documents, air-gap the machine (no internet) or convert the files.
Corrupted files became easier to repair due to their modular XML structure. Key Applications and Features