.BAK - File Extension for Backup Files

Q

What is BAK? BAK, short name for Email, is used as the file extension for Backup files. .BAK files are backup copies of any types of files on any systems.

✍: FYIcenter.com

A

File Extension: .BAK

MIME Type: application/octet-stream

File Content: Backup

.BAK files are used by many software to store backup copies of user's data file. For example, MS SQL Server uses .BAK files as shown below:

C:\MSSQL\DATABASES\BACKUPS\aworks2008.bak
C:\MSSQL\DATABASES\BACKUPS\Master's database.bak
C:\MSSQL\DATABASES\BACKUPS\Test_database1.bak
C:\MSSQL\DATABASES\BACKUPS\Test_database1.trn
C:\MSSQL\DATABASES\BACKUPS\test_log.ldf
C:\MSSQL\DATABASES\BACKUPS\TestDoc.bak

2012-07-08, 6172👍, 0💬