All about SYS Files

The SYS file type is primarily associated with Windows.

SYS	File extension: SYS
	File type:	system device driver/configuration

What is a SYS file

SYS files mostly belong to Windows by Microsoft. A SYS file is a Windows or MS-DOS system device driver or system configuration. A SYS driver contains compiled functions, coroutines, and settings saved in Dynamic Link Library format and used to interface between Windows and devices physically connected to a computer. Such drivers are saved in the /%SystemRoot%\System32\drivers\ folder. The CONFIG.SYS file on Windows contains text-encoded system settings loaded when the system boots. The KEYBOARD.SYS file contains a database of keyboard-related functions. PlayStation 2 saves an icon in a different type of SYS file. SPSS statistical analysis software saves data in an SYS file.

How can I open a SYS file?

You need a suitable software like Windows to open a SYS file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your SYS file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a SYS file directly in the browser:. Just drag the file onto this browser window and drop it.

Online SYS File Viewer

Choose your .sys file to view this image

or drag and drop it here

Online File Viewer

✈

Read our privacy guarantee in Filext’s terms and privacy policy

Please allow ads on our site

This helps us keep our servers running. Then re-upload your file to view it.

Click here to see how to disable the ad blocker for filext.com

How do you convert SYS files to JPG, PDF, HTML, DOC, ...

1. Just click the "Choose your .sys file to view this image" button on this page.
2. After your file is opened in browser,
3. click "Save as..." in the menu.
4. Then click the file format (e.g. PDF, JPG, DOCX, TXT, ...) you want.
5. Download the converted file.

SYS file format:

The file format determines how the data is stored in the file. The file format can be deduced from the file extension and the signature. However, different programs can use the same file extension, and file extensions can be assigned incorrectly. So a detailed analysis of a file is vital in order to determine the format and the associated program. Below is our analysis of the SYS files:

The SYS file extension is very common and primarily uses a special format that can be read by various programs. The following file formats are most commonly found in SYS files:

• 70% of all SYS files are Windows system driver files, which are using the popular EXE file format. EXE is the abbreviation for executable and is the standard executable file format on Windows. The format can be identified by the letters "MZ" at the beginning. Executable files can also be used to distribute viruses and other types of malicious software (malware). They consist of illegible, cryptic characters. The files are 13 KB to 1 MB in size, with a median of 76 KB. The file type is old but is used even today. The following keywords are characteristic: !This program cannot be run in DOS mode. These files can be linked to usbvideo, rtwlanu, driver, cheat, ring, monitor, usbstor, secdrv, cdrom, anti and easy.
• 1% of all SYS files start with the bytes PS2D crucial for this file format. These files contain neither text nor words, but only data. The average file size is 960 bytes with most files being between 960 bytes and 1 KB in size. Several words can almost always be found in the files, e.g. PS2D. Examples of file names are ICON.SYS or ICON_EN.SYS.

The remaining 29% of all SYS files are files with no common format, often, for example, JetDB, ELF, ZIP, KEYB, Version and FILES. Tagged as codecs, hiberfil, mhyprot, wdboot, flash, tcpip or acpi. Drag & drop your file here to see the file format and a preview of your SYS file!