.509 File Overview

File Extension: 509
File Type Description: Internet Security Certificate
File Type Developer: Microsoft Corporation
Primary Associated Software: Internet Explorer
Primary Software Developer: Microsoft Corporation

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509

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What is File Extension 509?

Internet Security Certificate files are the most popular type of files to carry the 509 file extension, originally developed by Mozilla for Mozilla Firefox. According to our internal data, Internet Security Certificate files are most popular with users in United States, with a majority of them running Windows 10. A high percentage of these users browse the web using Google Chrome.


Top 509 User Languages

Top 509 File User Browsers


Desktop Friendly?

Yes

Mobile Friendly?

Yes

Most Popular 509 File Countries

Top User Operating Systems

Windows 7 Windows 10 Windows 8.1 Windows XP

Associated Operating Systems

Windows
Mac
iOS
Android
Linux

Other File Types Related to 509 Files

Extension File Type Developer File Category File Type Description
.CER Microsoft Corporation Web Files Internet Security Certificate
.zfsendtotarget Microsoft Corporation Compressed Files Windows XP ZIP Compressed Folder
.CDXML PerkinElmer Data Files ChemDraw XML File
.RTF Microsoft Corporation Text Files Rich Text Format File
.OEM Microsoft Corporation Settings Files Original Equipment Manufacturer Setup File
.WMDB Microsoft Corporation Database Files Windows Media Database File
._WDXSLN120 Microsoft Corporation Data Files Microsoft Visual Studio File
.RMT The Catalina Group System Files Router Firmware File
.ZTD Microsoft Corporation Game Files Zoo Tycoon Data Archive
.VSHADER Microsoft Corporation Data Files Microsoft Visual Studio Data File


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Compatible with Windows 10, 8, 7, Vista, XP and 2000

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