.SYS File Overview

File Extension: SYS
File Type Description: Windows System File
File Type Developer: Microsoft Corporation
Primary Associated Software: Microsoft Windows
Primary Software Developer: Microsoft Corporation

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What is File Extension SYS?

Windows System File files are the most popular type of files to carry the SYS file extension, originally developed by Microsoft Corporation for Microsoft Windows. Data from our web servers (annonymous users) show that SYS files are most popular in China and are often used by Windows 10. A high percentage of these users browse the web using Google Chrome.

Top SYS User Languages

Top SYS File User Browsers

Desktop Friendly?


Mobile Friendly?


Most Popular SYS File Countries

Top User Operating Systems

Windows 7 Windows 10 Windows 8.1 Windows XP

Associated Operating Systems


Other File Types Related to SYS Files

Extension File Type Developer File Category File Type Description
.PRF Microsoft Corporation Settings Files Outlook Profile File
.MAS Image Space Incorporated Game Files rFactor Track File
.QPX Microsoft Corporation Executable Files FoxPro Compiled Query Program
.BOX Unknown Developer Data Files E-mail Mailbox
.PXL Microsoft Corporation Data Files Pocket Excel File
.VSDISCO Microsoft Corporation Web Files DISCO Dynamic Discovery Document
.XPP Microsoft Corporation Developer Files X++ Source Code File
.GMMP Microsoft Corporation System Files WCS Gamut Map Model Profile
.HSK Huskey Truss & Building Supply Data Files Huskey Truss & Building Supply Import File
.H The Eclipse Foundation Developer Files C/C++/Objective-C Header File

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

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