PhotoImpact is a raster graphics editor developed by Ulead Systems, later owned by Corel.
It has several associated file formats, the most notable of which seems to be its .ufo (Ulead File for Objects format) graphics format. UFO format is based on Microsoft Compound File format.
- Ulead PhotoImpact 4.2 (CD image from archive.org) → ISO IMAGE → Samples/Samples/.../*.ufo
- Random .ufo files found on the web: , ,