Backup file definition and the linked programs information.
A backup from a specific programs, depends on the software that created it.
How to open Bak Files
The File extension bak is used by the following type(s):
|Backup file – common and mostly used .bak files type it is a copy|
|The BAK File extension is for a long time used for backup files. Generally .bak files are a backup copy of an original file.
When there is some action, the backup renames the original extension to .bak. Then, it does some steps. Finally the .bak file is renamed back.
So, to restore original file, rename file to its original extension, if you know it, that is.
Similar names and formats are .old or .orig
There are many applications that do this. This is the programs list taken from the wikipedia bak article:
The backup process is very important to keep a copy of your files. There is no point in convert these files.
Programs and Apps
You can download a free download viewer from the following link :