You're here because you have a file that has a file extension ending in .sys. Files with the file extension .sys can only be launched by certain applications. It's possible that .sys files are data files rather than documents or media, which means they're not meant to be viewed at all.
what is a .sys file?
Developed by Microsoft, the SYS file format was designed to store compiled system resources like configuration variables and settings required by Windows and DOS (Disk Operating System) for performing its intended operations. Also known as Windows system files, the content of a SYS file normally consists of core Windows and DOS components like driver resources and references to corresponding Dynamic Link Library (DLL) modules. The io.sys file, for example, contains DOS initialization code and driver resources required by DOS, while the config.sys file stores system variables and configuration settings of Windows and DOS. The content of these SYS files can be viewed or edited by using applications that have been built into Microsoft Windows.
how to open a .sys file?
Launch a .sys file, or any other file on your PC, by double-clicking it. If your file associations are set up correctly, the application that's meant to open your .sys file will open it. It's possible you may need to download or purchase the correct application. It's also possible that you have the correct application on your PC, but .sys files aren't yet associated with it. In this case, when you try to open a .sys file, you can tell Windows which application is the correct one for that file. From then on, opening a .sys file will open the correct application. Click here to fix .sys file association errors
applications that open a .sys file
Microsoft Windows Operating System
Microsoft Windows Operating System
Microsoft Windows Operating System platforms mostly used files with .ANI extension, a graphic file format used for animated mouse cursors, which are also defined as Windows Animated Cursor. These files have the same functions with CUR file format or better known as the Static Cursor; its distinction is that being an animated cursor with the use of strings of images to show animation. The format is based on the Microsoft RIFF file format, which is utilized as storage for keeping the individual frames, which are typical Windows icons of the animation. This type of file is usually integrated in a customized theme for desktop, and is helpful to personalize the CPU system. Its final animation is designed with some icon frames are utilized for showing a single image after another to generate animation. Despite of a number of frames using the icon format, part of the stored data in the animated cursor file handle the order of the step, length, title, and the author of the animation.
Be careful not to rename the extension on .sys files, or any other files. This will not change the file type. Only special conversion software can change a file from one file type to another.
what is a file extension?
A file extension is the set of three or four characters at the end of a filename; in this case, .sys. File extensions tell you what type of file it is, and tell Windows what programs can open it. Windows often associates a default program to each file extension, so that when you double-click the file, the program launches automatically. When that program is no longer on your PC, you can sometimes get an error when you try to open the associated file.
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Find and repair file association errors preventing this file type from opening on your computer.