There are 21 other file types using
the BAK file extension!
.bak - RE-TOS backup
.bak - Grade Organizer backup
.bak - TBK Tracker deleted course INI data
.bak - Autodesk AutoCAD backup
.bak - Mozilla Firefox bookmarks backup
.bak - ACT! backup file
.bak - Canvas drawing backup
.bak - T-FLEX autosave data
.bak - FreeBSD data
.bak - VoCATS modified test backup
.bak - Linux installation data
.bak - Mineral Resources Data System (MRDS) database
.bak - Visual UML (Unified Modeling Language) backup
.bak - AcqURL bookmarks backup
.bak - Corel WordPerfect document backup
.bak - BSL background subtraction of image
.bak - Essbase backup of security data
.bak - THEOS backup text
.bak - Finale backup
.bak - ProShow Producer backup
.bak - TED5 backup
BAK file extension - Generic backup file
What is bak file? How to open bak files?
File type specification:
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.
Updated: November 7, 2023