Enter File Locksmith.

You need to view a document or other file in Windows. But you don’t have the right application to open the file, or you just want to quickly peek at it without taking the time to launch the full app.

Microsoft uses file associations to set default programs for opening different file types on all its operating systems. As a result, when you open a file, be it text, image, or document, on your ...

Finally, a capable open source file manager app ...