Associated .UIS software

Windows
UIS file extension
Skin File
Files with the extension .UIS are skin files used by 'WindowBlinds'. WindowBlinds is a utility that allows users to modify the look and feel of Windows.
.UIS skin files can be thought of as 'themes' which are essentially customisable graphical appearances for software applications such as media players, with the idea being to make the application more visually appealing to the user.