.LOCK File Overview

File Extension:	LOCK
File Type Description:	Lock File
File Type Developer:	Mozilla
Primary Associated Software:	Mozilla Firefox
Primary Software Developer:	Mozilla

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Home File Types Uncommon Files LOCK

What is File Extension LOCK?

Mozilla created the Lock File (LOCK) file for the Mozilla Firefox software series. Commonly, Lock File files are found on user computers from United States, and on PCs running the Windows 10 operating system. A vast majority of these users are opting to use Google Chrome as their preferred internet browser.

Associated Developers and Software

	Apache Web Server by Apache HTTP Project Management Committee
	Minecraft by Mojang
	Microsoft OneDrive by Microsoft Corporation
	Mozilla Firefox by Mozilla

Top LOCK User Languages

Top LOCK File User Browsers

Desktop Friendly?

Mobile Friendly?

Top User Operating Systems


Windows 10	Windows 11	Windows 6	Windows 8.1

Associated Operating Systems

	Windows
	Mac
	iOS
	Android
	Linux

Other File Types Related to LOCK Files

Extension	File Type Developer	File Category	File Type Description
.PAC	NetScape	Web Files	Proxy Auto-Config File
.MON	Mozilla	Backup Files	Firefox Monday Bookmark Backup File
.JBK	Juno	Backup Files	Juno Backup File
.MJPG	Various Developers	Video Files	Motion JPEG Video File
.JSON	Mozilla	Backup Files	Mozilla Firefox Bookmarks Backup
.CHM	Microsoft Corporation	Web Files	Compiled HTML Help File
.MOZ	Mozilla	Web Files	Mozilla Cache File
.SAGE	Sage	Encrypted Files	Sage Ransomware Affected Data
.BOX	Unknown Developer	Data Files	E-mail Mailbox
.JSM	Mozilla	Settings Files	Firefox JavaScript Module