There are 21 other file types using
the BAK file extension!

empty icon.bak - Generic backup file [common]

empty icon.bak - RE-TOS backup

empty icon.bak - Grade Organizer backup

empty icon.bak - TBK Tracker deleted course INI data

bak icon.bak - Autodesk AutoCAD backup

bak icon.bak - Mozilla Firefox bookmarks backup

empty icon.bak - ACT! backup file

empty icon.bak - Canvas drawing backup

empty icon.bak - T-FLEX autosave data

empty icon.bak - VoCATS modified test backup

empty icon.bak - Linux installation data

empty icon.bak - Mineral Resources Data System (MRDS) database

empty icon.bak - Visual UML (Unified Modeling Language) backup

empty icon.bak - AcqURL bookmarks backup

bak icon.bak - Corel WordPerfect document backup

empty icon.bak - BSL background subtraction of image

empty icon.bak - Essbase backup of security data

empty icon.bak - THEOS backup text

empty icon.bak - Finale backup

empty icon.bak - ProShow Producer backup

empty icon.bak - TED5 backup

BAK file extension - FreeBSD data

What is bak file? How to open bak files?

File type specification:

Various data file type icon Various data file type

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.

The default software associated to open bak file:

FreeBSD icon

The FreeBSD Foundation logoFreeBSD  Linux/Unix software

Company or developer:
The FreeBSD Foundation

FreeBSD is operating system based on BSD Unix. FreeBSD supports variety of hardware and processor platforms. It is vary popular to use on Internet and Intranet servers. FreeBSD is compatible with Linux. Linux popular GUIs Gnome and KDE can be run on the FreeBSD. FreeBSD is also part of Mac OS X system core.

NetBSD icon

NetBSD Foundation, Inc. logoNetBSD  Linux/Unix software

Company or developer:
NetBSD Foundation, Inc.

NetBSD is free Unix operating system based on Berkeley Software Distribution operating system. NetBSD is designed to high performance and stability. NetBSD supports about 57 hardware platforms and 15 different processor architectures. 

Help how to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .bak file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .bak file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open bak file, edit bak file, convert bak file, view bak file, play bak file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with bak file - FreeBSD data

Click on the software link for more information about FreeBSD. FreeBSD uses bak file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Linux/Unix:

Main software associated with bak file by default:
FreeBSD small icon FreeBSD
NetBSD small icon NetBSD

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