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SYS File Extension

SYS file extension is created by Microsoft, also known as Windows System File. SYS has been classified as Common File Types. This file is saved in a binary or plain text format. If in a plain text format, you can open and render the contents of this file in a Text Editor. You can open SYS files in Microsoft Windows program.



Windows System File Type

Windows System File Type
Extension .sys
Developer Microsoft
Popularity 5.0 (242 Votes)
Mime Type text/x-asm
Default Program Microsoft Windows
Category Common File Types
Format Text and Binary
Updated 11/1/2024

What is a SYS File Type?

IO.SYS: stores the default DOS device drivers and the d'program; DOS initialization; used by DOS and Windows 9x. MSDOS.SYS contains the main operating system code of D&apos, known as the DOS kernel. CONFIG.SYS contains the main configuration information used by DOS. Most system files are found in the Windows directory d' a Windows installation. In particular, many files are stored in the Windows\ winsxs directory in later versions of Windows.



Free online SYS Tools & Apps

We have also the free online .SYS (Windows System File) file extension apps that can allow to view, edit, convert from to SYS, merge, split and compare the SYS files without installing anything on your system. Please click on the links to explore the complete list of details for each required feature.



SYS Files Common Issues

There are few common issues with the Windows System File .SYS File Extensions while opening the .SYS files on Windows and MacOs, we have solution to those issues such as:

Can't Open SYS Files?

  1. You must have supported software programs installed for Windows System File on your system such as Microsoft Windows.
  2. Associate default Microsoft Microsoft Windows program for *.sys (Windows System File) files.

    Associate SYS Default Program on Windows
    1. Right-click a *.SYS (e.g example.sys) file and click Open With.
    2. In the Open with dialog box, click Microsoft Microsoft Windows program Or click Browse to locate the program (*.exe) that you want.
    3. Select check box for Always use this app to open .sys files.

    Associate SYS Default Program on MacOs
    1. Click *.SYS (e.g example.sys) file and click information -> Open With.
    2. In the programs list, click Microsoft Microsoft Windows program Or other appropriate program that you want.
    3. Confirm Change for all... and Contine.
    4. A message will appear "This change will be applied to all files with .Microsoft Windows extension. By clicking Continue you confirm your selection", click Contine to apply changes.


All Platform Software Programs for SYS File Extension

List of all softwares that can open the SYS files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Microsoft Windows logo image Open SYS File on Windows

Software License Developer
Opera image. Opera 20 for Windows Freeware Opera
Microsoft Windows image. Microsoft Windows 10 for Windows Commercial Microsoft

MacOs logo image - FileProInfo.comOpen SYS File on Mac OS

Software License Developer
Parallels Desktop for Mac image. Parallels Desktop for Mac 15 for MacOs Commercial Parallels
Opera image. Opera 20 for MacOs Freeware Opera

Linux logo image - FileProInfo.comOpen SYS file on Linux

Software License Developer
Opera image. Opera 20 for Linux Freeware Opera

Website logo image - FileProInfo.comOpen SYS file on Web

Software License Developer

iOS logo image - FileProInfo.comOpen SYS file on iOS

Software License Developer

Android logo image - FileProInfo.comOpen SYS file on Android

Software License Developer

About Licensing

  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

SYS file extension icon image.About SYS - Windows System File

FileProInfo is to help you understand about the Windows System File with *.SYS suffix, and provide the complete detail as how to open, edit, convert, merge, split and compare it with other related software programs, software download links and free online apps and tools.

Our professional team members at FileProInfo have been individually researched and verified the details for SYS. We want to be 100% accurate and publish the information about file formats, tools, apps and software programs that we have tested and validated.

If you would like to suggest any additions or updates to this page for SYS, please let us know.

Updated 11/1/2024


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