LanguageBAK
Generic backup file
File type: Backup file
Files with bak extension can be most often find as one of the many backup files generated by numerous programs, usually by the means of renaming the original extension to bak.
Found 22 different file type records with the same bak filename suffix.
What is bak file?
File type category:
Backup file
Date updated: November 7, 2023
File extension bak is traditionally used for backups for decades.
Generally speaking, a bak file is a backup of original file, when the original extension is renamed to 'original.bak'. To restore original file, you jus have to change it back to the original file extension.
Many software apps also auto save with original documents or projects also a backup copy with the same file name.
How to open bak file?
Unless you know the original file extension or software that created this bak file, is close to impossible to determine which program may open a *.bak file.
How to convert bak file?
BAK files are often just renamed original files or previous versions of original file, so renaming the extension back to its original usually restores the functionalily.
AcqURL bookmarks backup
File type category:
Backup file
Date updated: July 12, 2018
The bak file extension is associated with the AcqURL. The bak file contains backup of saved bookmarks.
Most likely some old format without support. No further information could be found.
Suggested software to open bak file:
Associated software actions with the bak file
Software applications that can open bak files:
AcqURL (Microsoft Windows)
Software apps that create bak files:
AcqURL (Microsoft Windows)
Software apps that backup bak files:
AcqURL (Microsoft Windows)
ACT! backup file
File type category:
Backup file
Date updated: August 8, 2017
File extension bak is associated with the ACT! contact and customer manager. There is many versions if this program. This type of .bak file contains backup of ACT! user data such as customer's names, addresses, history.
How to open bak file?
Use ACT! backup file software to open files with bak extension.
How to convert bak file?
Backup files typically cannot be converted to anything else.
Suggested software to open bak file:
Associated software actions with the bak file
Software applications that can open bak files:
Act! (Microsoft Windows)
Software apps that create bak files:
Act! (Microsoft Windows)
Software apps that backup bak files:
Act! (Microsoft Windows)
Autodesk AutoCAD backup
File type category:
Backup file
Date updated: June 24, 2022
The bak file extension is also used in the Autodesk AutoCAD, a 2D and 3D CAD modeling software for Microsoft Windows and OS X (macOS) operating systems.
The bak file contains a backup of an AutoCAD drawing, which is created automatically should this option be enabled in the program.
How to open bak file?
You may recover these backups only in AutoCAD program.
How to convert bak file?
Once the backup is recovered by AutoCAD it may be exported as any other DWG drawing.
Suggested software to open bak file:
Associated software actions with the bak file
Software applications that can open bak files:
AutoCAD (Microsoft Windows)
AutoCAD for Mac (Apple macOS / Mac OS X)
Software apps that create bak files:
AutoCAD (Microsoft Windows)
AutoCAD for Mac (Apple macOS / Mac OS X)
Software apps that backup bak files:
AutoCAD (Microsoft Windows)
AutoCAD for Mac (Apple macOS / Mac OS X)
Software apps that recover bak files:
AutoCAD (Microsoft Windows)
AutoCAD for Mac (Apple macOS / Mac OS X)
BSL background subtraction of image
File type category:
Various data file
Date updated: January 23, 2019
The bak file extension is associated with the BSL software.
The bak file contains background subtraction of image.
Most likely some old format without support. No further information could be found.
How to open bak file?
Use compatible tools to work with *.bak files.
How to convert bak file?
Probably cannot be converted to other formats.
Suggested software to open bak file:
Associated software actions with the bak file
Software applications that handle other tasks involving bak files:
BSL (Linux/Unix)
Canvas drawing backup
File type category:
Backup file
Date updated: April 4, 2017
The bak file suffix is associated with the Canvas drawing software. File contains a backup of a Canvas drawing.
Backup is created periodically until the user saves his project, which has a native Canvas drawing file extension.
How to open bak file?
Use Canvas to work with *.bak files.
Suggested software to open bak file:
Associated software actions with the bak file
Software applications that can open bak files:
Canvas (Microsoft Windows)
Software apps that create bak files:
Canvas (Microsoft Windows)
Software apps that backup bak files:
Canvas (Microsoft Windows)
Corel WordPerfect document backup
File type category:
Backup file
Date updated: July 23, 2019
The bak file extension is associated with the Corel WordPerfect version 6.1.
The bak file contains backup of a WordPerfect document. Backup is created periodically until the user saves his project, which has a native Corel WordPerfect document file extension (W61).
How to open bak file?
Use Corel WordPerfect to open the *.bak extension files.
How to convert bak file?
Probably cannot be converted to anything else.
Suggested software to open bak file:
Associated software actions with the bak file
Software applications that handle other tasks involving bak files:
Corel WordPerfect Office (Microsoft Windows)
Essbase backup of security data
File type category:
Backup file
Date updated: November 21, 2018
The bak file extension is related to the Essbase (Extended Spread Sheet dataBASE), a multidimensional database management system (MDBMS) that provides a multidimensional database platform upon which to build analytic applications.
The bak file contains backup of e security file.
How to open bak file?
Use compatible tools to work with *.bak files.
How to convert bak file?
Probably cannot be converted to anything else.
Suggested software to open bak file:
Associated software actions with the bak file
Software applications that can open bak files:
Oracle Essbase (Microsoft Windows)
Software apps that create bak files:
Oracle Essbase (Microsoft Windows)
Software apps that backup bak files:
Oracle Essbase (Microsoft Windows)
Software apps that recover bak files:
Oracle Essbase (Microsoft Windows)
Finale backup
File type category:
Backup file
Date updated: October 20, 2017
The bak file extension is associated with the Finale, a music score writing software for Microsoft Windows and Apple Mac OS X (macOS) operating systems developed by MakeMusic.
The bak file stores backup created with the Finale.
How to open bak file?
Use Finale to work with *.bak files.
Suggested software to open bak file:
Associated software actions with the bak file
Software apps that create bak files:
Finale (Microsoft Windows)
Software apps that recover bak files:
Finale (Microsoft Windows)
FreeBSD data
File type category:
Various data file
Date updated: June 1, 2018
The bak files were found in some FreeBSD or NetBSD installation packages.
FreeBSD and NetBSD are Unix-based operating systems for IBM-PC and various other computer platforms.
No further information could be found.
Suggested software to open bak file:
Associated software actions with the bak file
Software applications that handle other tasks involving bak files:
FreeBSD (Linux/Unix)
NetBSD (Linux/Unix)
Grade Organizer backup
File type category:
Backup file
Date updated: January 31, 2018
The bak file extension is associated with the Grade Organizer, a gradebook program for Microsoft Windows, developed by isd software.
The bak file contains contains backup of user data from Grade Organizer.
How to open bak file?
Use Grade Organizer to work with *.bak files.
Suggested software to open bak file:
Associated software actions with the bak file
Software applications that can open bak files:
Grade Organizer (Microsoft Windows)
Software apps that create bak files:
Grade Organizer (Microsoft Windows)
Software apps that backup bak files:
Grade Organizer (Microsoft Windows)
Linux installation data
File type category:
Various data file
Date updated: December 1, 2016
The bak file extension is associated with Linux operating system available for various platforms and devices.
The bak file stores some kind of installation data used by Linux system.
MIME types:
application/x-backup
application/x-trash
Suggested software to open bak file:
Associated software actions with the bak file
Software applications that handle other tasks involving bak files:
Linux operating systems (Linux/Unix)
Mineral Resources Data System (MRDS) database
File type category:
Database file
Date updated: December 14, 2018
The bak file extension is associated with the MRDS database format.
MRDS describes metallic and nonmetallic mineral resources throughout the world. Included are deposit name, location, commodity, deposit description, geologic characteristics, production, reserves, resources, and references. It includes the original MRDS and MAS/MILS data.
How to open bak file?
Use compatible tools to work with *.bak files.
How to convert bak file?
Probably can be exported to other formats.
Suggested software to open bak file:
Associated software actions with the bak file
Software applications that can open bak files:
Google Earth (Microsoft Windows)
Google Earth for Mac (Apple macOS / Mac OS X)
Mozilla Firefox bookmarks backup
File type category:
Backup file
Date updated: June 27, 2025
The bak file extension is associated with the Mozilla Firefox, a web browsing tool for Microsoft Windows, Apple Mac OS X (macOS) and Linux operating systems.
The bak file contains backup of bookmarks.
How to open bak file?
Use Firefox to work with *.bak files.
Suggested software to open bak file:
Associated software actions with the bak file
Software apps that create bak files:
Firefox (Microsoft Windows)
Firefox for Mac (Apple macOS / Mac OS X)
Firefox for Linux (Linux/Unix)
Software apps that recover bak files:
Firefox (Microsoft Windows)
Firefox for Mac (Apple macOS / Mac OS X)
Firefox for Linux (Linux/Unix)
ProShow Producer backup
File type category:
Backup file
Date updated: February 11, 2025
The bak file extension is associated with the ProShow Gold and ProShow Producer applications for Microsoft Windows operating system, developed by Photodex.
The bak file stores backup of ProShow psh file.
With *.bak and *.psh files are also stored autobackup files with file extensions b00, b01, b02, b03, b04, b05, b06, b07, b08, b09....etc.
How to open bak file?
Rename *.bak file to *.psh and open it in ProShow software.
How to convert bak file?
Probably cannot be converted to other formats.
Suggested software to open bak file:
Associated software actions with the bak file
Software applications that can open bak files:
ProShow Gold (Microsoft Windows)
Software apps that create bak files:
ProShow Producer (Microsoft Windows)
ProShow Gold (Microsoft Windows)
Software apps that backup bak files:
ProShow Producer (Microsoft Windows)
ProShow Gold (Microsoft Windows)
Software apps that recover bak files:
ProShow Producer (Microsoft Windows)
ProShow Gold (Microsoft Windows)
RE-TOS backup
File type category:
Backup file
Date updated: June 8, 2017
The bak file extension is associated with the RE-TOS software developed by Public Works and Government Services Canada.
The bak file contains backup of the RE-TOS data.
The RE-TOS seems to be obsolete product.
How to open bak file?
Use RE-TOS to work with *.bak files.
How to convert bak file?
Conversion to other formats is not possible.
Suggested software to open bak file:
Associated software actions with the bak file
Software applications that can open bak files:
RE-TOS (Microsoft Windows)
Software apps that create bak files:
RE-TOS (Microsoft Windows)
Software apps that backup bak files:
RE-TOS (Microsoft Windows)
T-FLEX autosave data
File type category:
Backup file
Date updated: July 24, 2019
The bak file extension is associated with the T-FLEX. File contains a backup of a T-FLEX project file.
Backup is created periodically until the user saves his project, which has a native T-FLEX project file extension.
How to open bak file?
Use T-FLEX CAD to open the *.bak extension files.
How to convert bak file?
Probably cannot be converted to anything else.
Suggested software to open bak file:
Associated software actions with the bak file
Software applications that can open bak files:
T-FLEX CAD (Microsoft Windows)
Software apps that create bak files:
T-FLEX CAD (Microsoft Windows)
Software apps that backup bak files:
T-FLEX CAD (Microsoft Windows)
Software applications that handle other tasks involving bak files:
T-FLEX CAD (Microsoft Windows)
TBK Tracker deleted course INI data
File type category:
Various data file
Date updated: June 17, 2018
The bak file extension is associated with the TBK Tracker, a secure student/course management program for native computer based training applications. The bak file contains deleted course INI file.
No further information could be found.
Suggested software to open bak file:
Associated software actions with the bak file
Software applications that handle other tasks involving bak files:
TBK Tracker (Microsoft Windows)
TED5 backup
File type category:
Backup file
Date updated: April 6, 2017
The bak file extension is associated with the TED5 (Tile Editor v5.0), a level editor for various games developed by id Software.
The bak file stores backup of level created in TED5. These backup files are carmackized (use Carmack compression, developed by John Carmack from id Software).
How to open bak file?
Use TED5 to work with *.bak files.
How to convert bak file?
Conversion to other formats is not possible.
Suggested software to open bak file:
Associated software actions with the bak file
Software apps that create bak files:
TED5 (Microsoft MS-DOS)
Software apps that recover bak files:
TED5 (Microsoft MS-DOS)
THEOS backup text
File type category:
Backup file
Date updated: June 1, 2018
The bak file extension is associated with the THEOS Corona operating system, developed by THEOS Software Corporation.
The bak file contains backup of the text file.
No further information could be found.
Suggested software to open bak file:
Associated software actions with the bak file
Software applications that can open bak files:
THEOS Corona (Other operating systems or devices)
Software apps that create bak files:
THEOS Corona (Other operating systems or devices)
Software apps that backup bak files:
THEOS Corona (Other operating systems or devices)
Visual UML (Unified Modeling Language) backup
File type category:
Backup file
Date updated: March 26, 2018
The bak file extension is related to the Visual UML, UML modeling software for Microsoft Windows operating system.
The bak file stores backup of document created in the Visual UML.
Unified Modeling Language (UML) is a visual language for specifying, constructing, and documenting the artifacts of systems.
How to open bak file?
Use Visual UML to work with *.bak files.
Suggested software to open bak file:
Associated software actions with the bak file
Software applications that can open bak files:
Visual UML (Microsoft Windows)
Software apps that create bak files:
Visual UML (Microsoft Windows)
Software apps that backup bak files:
Visual UML (Microsoft Windows)
VoCATS modified test backup
File type category:
Various data file
Date updated: July 12, 2018
The bak file extension is associated with the VoCATS (Vocational Competency Achievement Tracking System).
the bak file contains backup of a modified test.
Most likely some old format without support. No further information could be found.
How to open bak file?
Use compatible tools to work with *.bak files.
Suggested software to open bak file:
Associated software actions with the bak file
Software applications that can open bak files:
VoCATS (Microsoft Windows)
Software apps that create bak files:
VoCATS (Microsoft Windows)
Software apps that backup bak files:
VoCATS (Microsoft Windows)