SYS Viewer View SYS file Online and Free

What is SYS file?


The SYS file extension stands for a Windows System File. It is an executable file that is stored in the Windows folder. This program can be used to help users remember their passwords or automatically boot up when it is needed. In addition, this program contains system files that have been created by the operating system and every time these files are updated, the update needs to be saved in a new SYS file.

SYS Format details


Full Name Windows System Format
Developer Microsoft
Category System Files

Tools that will help you view SYS files


Sometimes you need to quickly preview the contents of a file with the SYS extension. In such a situation, many people decide to find a tool that, according to its creators, can display the contents of the SYS file and many other types of files (All in One Viewer).

Of course, there are such tools. However, it should be remembered that they may display the data contained in the SYS file differently than the application dedicated to handling the SYS file extension. When you cannot afford to have the data of the SYS file displayed different from the original, you should use the applications developed to work with the SYS file.

Below you will find a list of software programs that will help you with this. These software programs will help you view the content of the SYS file, minimizing possible errors that may arise with other tools.


SYS File Viewers

  • Microsoft Windows
  • Parallels Desktop
  • 2 SYS viewers