.SY_ File Extension
Compressed SYS File
| Developer | Microsoft |
| Popularity |
4.3 | 8 Votes |
| Category | Compressed Files |
| Format | Binary |
What is an SY_ file?
Compressed .SYS file sometimes used by application installers to reduce the size of installation files; similar to a .EX_ or .DL_ file and can be expanded back to a SYS file using the Microsoft Expand command line utility with the following syntax:
More Information
expand file.sy_ file.sys
NOTE: SY_ files also may just be renamed SYS files and therefore may not be compressed.
Programs that open SY_ files
Windows
Included with OS