.CRT File Overview

File Extension:	CRT
File Type Description:	Security Certificate
File Type Developer:	Mozilla
Primary Associated Software:	Internet Explorer
Primary Software Developer:	Microsoft Corporation

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What is File Extension CRT?

Security Certificate files were originally developed by Google for the Google Chrome software application. Internal website statistics show that CRT files are most popular with users in United States and those running the Windows 10 operating system. Statisically, these users are most likely running the Google Chrome internet browser.

Associated Developers and Software

	Apple Safari by Apple
	Google Chrome by Google
	Mozilla Firefox by Mozilla
	Internet Explorer by Microsoft Corporation

Top CRT User Languages

Top CRT 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 CRT Files

Extension	File Type Developer	File Category	File Type Description
.CT1	Microsoft Corporation	Data Files	Microsoft Systems Management Server Proposed Site Control Data
.MOV	Apple	Video Files	Apple QuickTime Movie
.KCI	Microsoft Corporation	Settings Files	Visual Studio .NET DB Project Indexing Settings
._SLN	Microsoft Corporation	Data Files	Microsoft Visual Studio Launcher Data
.GAX	Microsoft Corporation	Game Files	Age Of Empires II Saved Game
.IBD	Oracle Corporation	Database Files	MySQL InnoDB Database Table
.AS	Adobe Systems Incorporated	Developer Files	Adobe ActionScript File
.B!K	Microsoft Corporation	Data Files	Microsoft Flight Simulator Scenery File
.VAC	Ipswitch, Inc.	Data Files	IMail Server Vacation Message File
.WSD	MicroPro International Corp.	Text Files	WordStar Document