If you have difficulty opening documents because they’re corrupt or some other issue there is a solution for that to repair. In this feature you can recover lost data and repair your document.
Go to browse, select the document that you know is problematic and under Open select Open Repair. This is your best opportunity to fix the document that might be damaged.
Tip: if your document don’t repair, try another word document open to understand your Microsoft word version is at risk or not.
Microsoft word 2007 doesn’t have File tab. You can go to button to repair the document.