Home : File Types : SY_ File

.SY_ File Extension

File TypeCompressed SYS File

DeveloperMicrosoft
Popularity
4.1 (7 Votes)
CategoryCompressed Files
FormatBinary

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.

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Programs that open SY_ files
Updated 12/28/2011

About SY_ Files

Our goal is to help you understand what a file with a *.sy_ suffix is and how to open it.

The Compressed SYS file type, file format description, and Windows programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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