How to open .sy_ file format?

The probably reason why you are at this website is a problem with opening .sy_ file. The full name of the file is Compressed SYS File. If the double-click on the file’s icon shows you a message that additional programs are needed to open the file, you’ll find the list of helpful programs in the bottom of the page.The developer of this format is Microsoft.

.sy_ file extension (Compressed SYS File)

Category Developer/Producer File description Popularity
Compressed Files Microsoft Compressed SYS File
Programs using this file extension: .sy_
ADS OS Software
  • Microsoft Expand

The file extension .sy_ can be used by another programs. If you have some useful information about .sy_ file type that may help other users, please send them to us and we’ll update our database.

Visiting our website you are probably asking yourself:
  • What application can open .sy_ file?
  • How to open .sy_ file?
  • What is .sy_ file?
  • How can I convert .sy_ file?
  • Where can I find informations about .sy_ file extension? (for example on the File Extension website)
We hope we have given you enough informations about this file type. Otherwise you can search some informations about .sy_ extension on