Theme file used by various Pocket PC, PDA and smart phone devices that use the Windows Mobile operating system.

These .TSK theme files (also known as a skin file) contain the settings and images used to change the visual appearance of the user interface of a Windows mobile device, such as the default font, background image and menu items.

Windows mobile pocket PC theme files can be downloaded from many websites. The .TSK file is then transferred from your PC to your mobile device.