What is bak file? Understanding and opening bak files
Are you facing difficulties opening bak files on your computer, or wondering exactly what bak file is?
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.bak file type #1: Backup file
Most .bak files you encounter are actually backup files, often just copies of the original files with their extensions changed to bak.
Further details
BAK files are used for various backup files in many different software applications.
It is typically created automatically by the software as a backup in case the original file becomes damaged or lost.
In most cases it is just a copy of the original file and can be restored if needed, simply by changing the extension back.
Often created during software installation or when an application is being updated.
.bak file type #2: AcqURL bookmarks backup
A bak file extension is related to the AcqURL and used for its bookmark backup.
Further details
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.
Open bak file with:
AcqURL
A program for bookmark management
.bak file type #3: ACT! backup file
Files with bak extension are also used for the ACT! application. They store backups of ACT!.
Further details
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.
Open bak file with:
Act!
A personal contacts and information manager by Sage
.bak file type #4: Autodesk AutoCAD backup
Files with bak file extension may also be found as drawing backups created automatically in Autodesk AutoCAD, a CAD solution for Apple Mac and Windows.
Further details
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.
Open bak file with:
AutoCAD
Leading 2D and 3D CAD development software from Autodesk
AutoCAD for Mac
A Mac version of popular Autodesk AutoCAD software
.bak file type #5: BSL background subtraction of image
A bak file extension is related to the BSL program. A bak file stores background subtraction of image.
Further details
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.
Open bak file with:
BSL
A 2D data manipulation package
.bak file type #6: Canvas drawing backup
A bak file extension is related to the Canvas drawing program from ACD Systems. A bak file contains backup of project from Canvas.
Further details
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.
Open bak file with:
Canvas
A drawing software used to create technical illustrations and graphics
.bak file type #7: Corel WordPerfect document backup
Files with bak file extension are used by the Corel WordPerfect v6.1. They store backup data for a WordPerfect documents.
Further details
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).
Open bak file with:
Corel WordPerfect Office
A complete productivity office suite developed by Corel Corporation
.bak file type #8: Essbase backup of security data
A bak file extension is associated with the Essbase and used for its backup files.
Further details
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.
Open bak file with:
Oracle Essbase
An online analytical processing (OLAP) server
.bak file type #9: Finale backup
A bak file extension is related to the Finale, a music notation software. A bak file stores backup.
Further details
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.
Open bak file with:
Finale
One of the most popular music notation software on market
.bak file type #10: FreeBSD data
A bak file extension is related to the FreeBSD and NetBSD operating systems.
Further details
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.
Open bak file with:
FreeBSD
A Unix based operating system
NetBSD
A unix-derivate operating system
.bak file type #11: Grade Organizer backup
A bak file extension is related to the Grade Organizer backup format.
Further details
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.
Open bak file with:
Grade Organizer
An old gradebook software
.bak file type #12: Linux installation data
A bak file extension is related to Linux and Linux-based operating systems.
Further details
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
Open bak file with:
Linux operating systems
A free open source operating system based on UNIX
.bak file type #13: Mineral Resources Data System (MRDS) database
A bak file extension is related to the MRDS database format. MRDS describes metallic and nonmetallic mineral resources throughout the world.
Further details
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.
Open bak file with:
Google Earth for Mac
A geographical information platform
Google Earth
A virtual globe, map and geographical information application by Google
.bak file type #14: Mozilla Firefox bookmarks backup
A bak file extension is related to the Mozilla Firefox web browser. A bak file stores bookmarks backup.
Further details
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.
Open bak file with:
Firefox
A popular free web browser from Mozilla
Firefox for Linux
Firefox for Linux is popular free web browser
Firefox for Mac
Mac version of the popular web browser
.bak file type #15: ProShow Producer backup
A bak file extension is related to ProShow software for Microsoft Windows. A bak file stores backup of *.psh file.
Further details
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.
Open bak file with:
ProShow Producer
A software used to create professional slideshows
ProShow Gold
A slide show making utility
.bak file type #16: RE-TOS backup
A bak file extension is related to the RE-TOS and used for its backup files.
Further details
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.
Open bak file with:
RE-TOS
A calculation software
.bak file type #17: T-FLEX autosave data
The bak extension files are used by the T-FLEX program. They contain some backup or project data.
Further details
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.
Open bak file with:
T-FLEX CAD
A mechanical CAD software
.bak file type #18: TBK Tracker deleted course INI data
A bak file extension is related to a secure student/course management program for native computer based training applications.
Further details
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.
Open bak file with:
TBK Tracker
A student/course management software
.bak file type #19: TED5 backup
A bak file suffix is related to the Tile Editor v5.0 (TED5), game map editor from id Software. A bak file contains backup.
Further details
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).
Open bak file with:
TED5
Level editing software for various computer games including Wolfenstein 3D, etc.
.bak file type #20: THEOS backup text
A bak file extension is related to the THEOS backup text format.
Further details
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.
Open bak file with:
THEOS Corona
An older operating system for server class machines
.bak file type #21: Visual UML (Unified Modeling Language) backup
A bak file extension is associated with the Visual UML program. A bak file contains backup.
Further details
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.
Open bak file with:
Visual UML
A program used for modeling of UML objects
.bak file type #22: VoCATS modified test backup
A bak file extension is related to the VoCATS modified test backup format.
Further details
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.
Open bak file with:
VoCATS
A vocation competency tracking software