Every computer user will eventually encounter files that cannot be opened with the programs installed on the computer system. Experienced users might try to open those files in a basic text editor or perform a search on the Internet to find a program that can open files with those extensions.
Another possibility is the Open With [...]
File Extensions Identification
Manage Open With Applications In Windows
Another option that pops up when right-clicking a file type in Windows Explorer is the Open With menu which displays alternative applications that can be used to open the selected file type. It does happen that the Open With dialog contains several applications which the user would never use to open that file type. Who [...]
