The File Extensions Database

.BAK3 File Extension

  • Category: Backup Files
  • Format: Text and Binary

What is an .BAK3 file?

.BAK3 is Backup File

Backup file created by multiple programs, including games such as Crytek Crysis; contains a copy of the original file, such as a scene; similar to the .BAK and .BAK2 file extensions.

The "bak3" extension may be used to represent the third backup version for a file. Every time you save a scene in Vue, another BAK file is created. The "bak3" extension would be used on the third save. You can choose the maximum amount of backups you want created by using the "Max backups" setting in Vue.

Another use of the "bak3" extension is to backup a BAK2 file that backs up .CRY map level files. If your CRY file is corrupt, you can replace it by renaming the "bak3" extension of your file to "cry."

Programs that open Backup File
Crytek Crysis
Crytek Crysis Warhead
E-on Vue
E-on Vue
File Type 2 Starbound Backup File
Developer by: Chucklefish Category: Game Files

A BAK3 file is a backup file used by Starbound, an open, sandbox 2D space exploration game. It stores backup information for the game, which may be about a spaceship or player character. BAK3 files are helpful for recovering information in the event of a computer crash or corrupt SHIPWORLD or PLAYER file.

BAK3 files are named with the ".bak3" extension added to a PLAYER or SHIPWORLD file. For example, if the file is storing backup information for a SHIPWORLD file, the filename would be ab 07704dbcb4162646d4d93bbeef34df.shipworld.bak3.

You can delete the ".bak3" extension from the filename and open the file as a SHIPWORLD file in Starbound. However, it is important that you do not change the string of characters preceding the extensions.

BAK3 files can be found in the "player" folder in the "Starbound" folder. For example if you purchased Starbound through Steam, the BAK3 files are stored in the following location in Windows:

C:/Program Files/Steam/SteamApps/common/Starbound/player

NOTE: Starbound also uses .BAK1 and .BAK2 files.

Programs that open Starbound Backup File
Chucklefish Starbound
Chucklefish Starbound
Chucklefish Starbound

How to solve problems with BAK3 files

  • Associate the BAK3 file extension with the correct application. On :
    Windows: Right click on any BAK3 file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.BAK3 files". Mac: Right click (or Ctrl-click) the BAK3 file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .BAK3 is Backup File. Because only the current version supports the latest BAK3 file format. Search, therefore, e.g. on the N/A manufacturer website after an available .BAK3 is Backup File update.
  • To make sure that your BAK3 file is not corrupted or virus-infected, get the file again and scan it with antivirus software.