What is a .SY_ File And How To Open It – Microsoft

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Have you downloaded a file with .sy_ extension, but you have never seen this extension before? It is possible that you know what the file does, but you are unsure on how to open it. Fear not, in this article we will show you how to easily open the .sy_ file in few simple steps on various systems.

What is a .SY_ file?

The file extension .SY_ stands for Compressed SYS File. The development of this file was done by Microsoft. The format of this compressed file is binary.

What to know

There is currently 0 software that can open the .sy_ file on 0 platforms.


We don’t register any way of opening this file extension at the moment, kindly let us know if you have any information.