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.BAT File Extension

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File TypeDOS Batch File

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Rare Uncommon Average Common Very Common
CategoryExecutable Files


This file is saved in a plain text format. You can open and view the contents of this file using a text editor.

What is a BAT file?

A BAT file is a DOS batch file used to execute commands with the Windows Command Prompt (cmd.exe). It contains a series of line commands that typically might be entered at the DOS command prompt. The file is most commonly used to start programs and run maintenance utilities within Windows.

More Information

BAT files can be manually created and edited to automate tasks and perform repetitive operations. They can written with a basic text editor, such as Notepad, and saved with a ".bat" extension.

Older Windows operating systems such as Windows 95 and 98 run BAT files as well.

NOTE: Avoid opening unknown BAT files since they may contain viruses or other malicious code.

Common BAT Filenames

AUTOEXEC.BAT - The batch file run by DOS and older versions of Windows (95, 98, and Me) upon startup. It is located in the root directory of the boot drive.

Programs that open BAT files
File Viewer Plus
Microsoft Windows Command Prompt
Microsoft Windows
Any text editor
Parallels Desktop for Mac with Windows installed
Any text editor
Updated 4/21/2016