.WMZ File Extension

Preinstalled or custom skin that changes the appearance of the Windows Media Player interface; contains a combination of graphics and JScript code that defines the behavior of each element in the skin; compressed using ZIP compression.

Zip-compressed .WMF file often created by older versions of Microsoft Office programs; sometimes exported when saving documents to HTML format or when emailing document content; can contain embedded equations, clip art, or other vector graphics.

You can decompress a WMZ file into a WMF file using any decompression utility that support .ZIP compression. You may want to rename the ".wmz" extension to ".zip" first and then open it with the decompression utility.