.SZ File Extension
File TypeWinamp Classic Skin Download
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
What is an SZ file?
Custom Winamp skin downloaded by Internet Explorer; used to modify the interface of Winamp, a popular music player for Windows.
NOTE: Internet Explorer changes the extension from .WSZ to ".sz" when the file is downloaded. The extension must be changed from ".sz" back to ".wsz" in order to work correctly.