.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 Romania 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
.PPC Garmin GIS Files XMap Flight Plan Statistic File
.HTMLS Open Source Web Files HTML With Server-Side Include
.XLM Microsoft Corporation Executable Files Excel Macro
.VUE E-on Software, Inc. 3D Image Files Vue Scene File
.INA Microsoft Corporation Data Files MS-DOS Data File
.MAW Microsoft Corporation Database Files Access Data Access Page
.SVH IEEE Xplore Developer Files SystemVerilog Source Code Header File
.EBO Microsoft Corporation Page Layout Files Microsoft Reader eBook Format
.H264 Ulead Systems Video Files H.264 Encoded Video File

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