.COB File Overview

File Extension:	COB
File Type Description:	COBOL Source Code File
File Type Developer:	IBM
Primary Associated Software:	GNU Compiler Collection (GCC)
Primary Software Developer:	GNU Project

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Home File Types Developer Files COB

What is File Extension COB?

GNU Project developed the COB file extension, also know as a COBOL Source Code File file, for the GNU Compiler Collection (GCC) software package. According to our internal data, COBOL Source Code File files are most popular with users in United States, with a majority of them running Windows 10. A vast majority of these users are opting to use Google Chrome as their preferred internet browser.

Associated Developers and Software

	IBM COBOL by IBM
	GNU Compiler Collection (GCC) by GNU Project

Top COB User Languages

Top COB File User Browsers

Desktop Friendly?

Mobile Friendly?

Top User Operating Systems


Windows 10	Windows 11	Windows 6	Windows 8.1

Associated Operating Systems

	Mac
	Linux
	Windows

Other File Types Related to COB Files

Extension	File Type Developer	File Category	File Type Description
.CBL	IBM	Developer Files	COBOL Source Code File
.SO	GNU Project	Developer Files	Shared Library
.PY	Python Software Foundation	Developer Files	Python Script
.PHP	Panic	Web Files	PHP Source Code File
.PY2	Python Software Foundation	Developer Files	Python Script
.JAVA	Oracle Corporation	Developer Files	Java Source Code
.VB	Microsoft Corporation	Developer Files	Visual Basic Project Item File
.CC	Don Ho	Developer Files	C/C++ Source Code File
.FAQ	The Document Foundation	3D Image Files	Frequently Asked Questions Document
.ASM	Open Source	Developer Files	Assembly Language Source Code File