How do I open a BAK file?

Try the original program, or rename removing .bak. For text, try Notepad.

this file

Access it

Q: What is a BAK file?

BAK files are backup copies. The contents match whatever was backed up (documents, databases, etc.).

Backup File

Quick Facts

Full NameBackup File

CategorySystem

MIME Typeapplication/octet-stream

What is a This file File?

BAK files are backup copies created by various programs before making changes to the original file. If something goes wrong, you can restore from the BAK file. The original format varies—it depends on what was backed up.

How to Handle the files

BAK handling:

Restore: Rename to original extension or use source program
View: Try Notepad for text-based Such filess
Database BAK: Restore using database software

Programs That View the files

Program	Platform	Best For	Price
Original application	All	Restore backup	Free
Text editor	All	View text The files	Free

Frequently Asked Questions About Opening The file Files

What is a These files file? +

The file files are backup copies. The contents match whatever was backed up (documents, databases, etc.).

How do I open a The format file? +

Try the original program, or rename removing these files. For text, try Notepad.

Can I delete The format files? +

Usually yes, if you don't need to restore. Check that the original file works first.

Related File Types

Quick Summary: How to Open This type File

To access this format on any device: Windows users can use built-in apps or free software. Mac users have native support. Mobile users can download free apps. The easiest way to open The extension files is using the recommended tools above.