Backup file definition and linked programs information.
File extension bak is used by following file type(s):
|file type description:|
|Backup file - common and mostly used .bak file type|
|The BAK File extension is for a long time used for backup files. Generally .bak file is a backup of original file, when the original extension is renamed to bak. So, to restore original file, rename file to its original extension, if you know it, that is.|