The file extension-the last three letters of a file’s name-identify the file to a computer or other device, so the computer can choose the correct program to open the file. A BUP, or .bup, is a backup file. Writer Bio
What Is The File Extension Bup
The file extension-the last three letters of a file’s name-identify the file to a computer or other device, so the computer can choose the correct program to open the file. A BUP, or .bup, is a backup file. Writer Bio
