.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
	Mozilla Firefox by Mozilla
	Internet Explorer by Microsoft Corporation
	Google Chrome by Google

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
.AXS	Microsoft Corporation	Developer Files	ActiveX Script File
._SLN100	Microsoft Corporation	Data Files	Microsoft Visual Studio File
.M3U8	Various Developers	Audio Files	UTF-8 M3U Playlist File
.ERR	Microsoft Corporation	Text Files	Error Log File
.JPN	Microsoft Corporation	System Files	Windows Japanese Noise-Word List File
.PSD	Adobe Systems Incorporated	Raster Image Files	Adobe Photoshop Document
.MUZ	HoverDesk.net	Audio Files	MUZ Audio File
.SVCLOG	Microsoft Corporation	Data Files	Microsoft Visual Studio Diagnostics Data
.MPD	Microsoft Corporation	Database Files	Microsoft Project Database
.SMA	Don Ho	Developer Files	C/C++ Source Code File