Pftb.7z -

(Note: "pftb" is simply a custom name given to the archive by the person who created it. Once you extract it, you will see the actual software, documents, or media inside.)

Navigate to the folder containing your file and run: 7z x pftb.7z 🌐 No Software (Web Browser) pftb.7z

What do you expect to find inside this specific archive? How to open a .7z file - Microsoft Q&A (Note: "pftb" is simply a custom name given