Proprietary image format used primarily by Ulead PhotoImpact, but is also recognized by other Ulead photo and video editing software programs; supports multiple layers, similar to a Photoshop (.PSD) document. UFO files may be opened with Ulead Photo Explorer, but multi-layer images may not display correctly.
The UFO file extension is associated with the Visual USB application for Windows that allows users to test USB classes on a computer. The .ufo file stores main data for all exportation samples.