What is a BAK file and how to open it?

What is a Bak File?

open bak fileA file having the BAK file extension is a Backup file that is used by many different applications all for the same purpose: to save a duplicate copy of one or more files for backup purposes. Most of the BAK files are generated automatically by a program that needs to save a backup file. This could be done by anything from a web browser to store backed-up bookmarks, to a dedicated backup program that’s archiving one or more files.


BAK files are sometimes generated manually by a program’s user, also. You might create one yourself if you want to edit the file but not make changes to the original. So, instead of moving the file out of its original folder, writing over it with new data, or deleting it altogether, you might just append “.BAK” to the end of the file for safekeeping.


BAK File Format

Backup file

BAK is a file extension created for the file format generally used when generating a backup copy of a file. usually, a BAK file is generated as an automatic backup file when an application is editing or doing some changes to the file in question. specific database applications use BAK files when making a backup copy of their database.

Mozilla Firefox also uses “bookmarks.bak” file to create an automated bookmarks backup.


How to open BAK file

Method 1:

The process of open a BAK file, you must do the following steps:-

  1. Find the file to open.
  2. Use Properties > Open File Location.
  3. The file you have got, look for its backup.
  4. Make a copy of the original file
  5. Delete the original file.
  6. Rename the Bak file.
  7. The program should start working as the original.


How to Open the Microsoft SQL Server Bak File?


how to open bak file


If you manage your databases, which may be the case if you handle your company’s tech support on your own, this is an easy way to back up and restore Microsoft SQL databases.

Step 1: Tap the name of your SQL server in the Object Explorer pane to expose your databases.

Step 2: Choose “user databases,” then right-tap on the name of the database that you want to restore.

Step 3: Hover your mouse pointer over “Tasks” in the drop-down menu, then hover over “Restore,” then click “Database”.

Step 4: Click the “From Device” radio button, then click the button to open the backup medium window.

Step 5: Choose “File” from the drop-down list, and then tap on the “Add” button. A file explorer window appears. Navigate to the BAK file, choose it, and then tap on “Open” to add the file in the backup medium.

Step 6: Click “OK,” then click “OK” again to open the file for backup.


How to Restore a Bak File?

As we stated, there is no other method for opening and perusing the substance of a SQL Server .bak file other than restoring it. The way toward re-establishing the backup file will make the table structures and add the information, contingent upon the sort of backup file that it is. To re-establish a .bak file utilizing SQL Server Management Studio (SSMS) you should do the following steps:


  • Right-click on the database.
  • Go to task > restore > database.
  • Check the Radio button from the device.
  • Click on browse for the location.
  • Tap on add to select the BAK file.
  • Go to the Bak file folder and select it for restoring.
  • Click ok and select the backups you want to restore.
  • Select both options for a full backup.
  • Press ok and get a message after completing the backup.


How to Convert a BAK File?


convert bak file


  • A file converter can’t change over to or from the file type BAK because it’s not so much a filegroup in the conventional sense, yet all the more a naming plan. This is genuine regardless of what organization you’re managing, as on the off chance that you have to change over BAK to PDF, DWG, an Excel group, and so on.
  • On the off chance that you can’t make sense of how to utilize a BAK file, take a stab at utilizing a program that can open the file as a content archive, similar to one from our Best Free Text Editors list. There might be some content in the file that can show the program that made it or the kind of file that it is.


For example, a file named file.bak makes no sign at all about what sort of file it is, so it’s not a simple choice to comprehend what program can open it. Utilizing Notepad++ or another word processor from that rundown might be useful if you see, for instance, “ID3” at the highest point of the file’s substance.

  • Essentially, rather than changing over BAK to CSV, you may locate that opening the file in a content manager demonstrates that there’s a lot of content or table-like components that guide you toward understanding that your BAK file is extremely a CSV file, in which case you can simply rename file.bak to file.csv and open it with Excel or some other CSV editor.


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