Here is informative content regarding the file, covering what it is, where it’s found, security warnings, and common issues. What Is “Facebook EXE”? A file named facebook.exe is not an official component of Facebook’s desktop or mobile services. Facebook does not distribute a standalone .exe (executable) file for Windows. The official way to access Facebook on a PC is via web browsers (Chrome, Firefox, Edge, etc.) or the official Facebook Messenger app from the Microsoft Store.