PassFab for Office is described as 'all-in-one office password recovery toolkit, which can recover lost or forgotten open password in Microsoft Office Word, Excel and PowerPoint without losing, damaging and modifying your data. Office file types it supports:'. There are three alternatives to PassFab for Office for Windows. The best alternative is Stellar Phoenix Office Password Recovery. It's not free, so if you're looking for a free alternative, you could try Hetman Office Recovery.
Stellar Phoenix Office Password Recovery software recovers lost or forgotten password of MS office files like MS word, MS Excel and MS PowerPoint. It recover both “Password to open” and “Password to Modify”.
The MS Office is the most common application, so SysInfoTools launched the MS Office recovery toolkit. This toolkit is designed to recover various file formats which come under the MS Office suite. This recovery toolkit performs the repair of damaged or corrupted MS files.
Recover lost and deleted documents and spreadsheets with a heavy-duty office recovery suite. Hetman Office Recovery can handle damaged, corrupted, formatted and repartitioned hard drives, memory cards and USB flash drives.