.WGZ File Extension

Compressed archive that contains a widget, or small program, for Nokia S60-based phones; may include HTML, CSS and JavaScript files; runs via the Web Runtime (WRT) software included with S60 phones.

S60 Web Runtime is a lightweight application framework that enables the easy creation of mobile Web applications.

NOTE: Since WGZ files are compressed with ZIP compression, they can be expanded using a .ZIP decompression utility.