Computer "B" file extensions

Updated: 06/22/2018 by Computer Hope

Below is a listing of each of the different file extensions that begin with the letter "B." If you are looking for a file extension that starts with a different letter, click on the corresponding beginning letter below.

# | A | B | C | D | E | F | G | H | I | J | K | L | M
N | O | P | Q | R | S | T | U | V | W | X | Y | Z
File extensions help and support

B
.B3D BodyPaint 3D file.
.B64 Short for BASE64, .B64 is a compressed file extracted and used with various compression utilities.
.BAK Backup file used for important Windows files usually used with the system.ini and the win.ini.
.BAS QBasic program and Visual Basic module.
.BAT A batch file that can perform tasks for you in MS-DOS, like a macro.
.BFC Microsoft Windows 95 and Windows 98 Briefcase file.
.BG Backgammon game file.
.BIN Binary file used with different programs.
CD image file.
Translation tables for code pages other than the standard 437.
.BK2 Corel WordPerfect for Windows backup file.
.BK3 Corel WordPerfect for Windows backup file.
.BK4 Corel WordPerfect for Windows backup file.
.BK5 Corel WordPerfect for Windows backup file.
.BK6 Corel WordPerfect for Windows backup file.
.BK7 Corel WordPerfect for Windows backup file.
.BK8 Corel WordPerfect for Windows backup file.
.BK9 Corel WordPerfect for Windows backup file.
.BMP Graphical bitmap file used in Microsoft Paint.
.BNK Sim City backup.
.BPS Microsoft Works word processor file.
.BPT CorelDRAW bitmap master file.
.BRK Brooktrout fax file.
.BTOA Compressed file extracted and used with various compression utilities.
.BUP Type of backup file, often used for backing up a DVD info file (IFO).
.BV1 Corel WordPerfect for Windows backup file.
.BV2 Corel WordPerfect for Windows backup file.
.BV3 Corel WordPerfect for Windows backup file.
.BV4 Corel WordPerfect for Windows backup file.
.BV5 Corel WordPerfect for Windows backup file.
.BV6 Corel WordPerfect for Windows backup file.
.BV7 Corel WordPerfect for Windows backup file.
.BV8 Corel WordPerfect for Windows backup file.
.BV9 Corel WordPerfect for Windows backup file.
.BWP BatteryWatch Pro file.
.BZ Compressed file extracted and used with bzip and bunzip various compression utilities.
.BZ2 Compressed file extracted and used with bzip2 and bunzip and other compression utilities.

Additional information