There are 2 file types use the .UFO file extension:
1. Ulead File Object
Raster image primarily created by Ulead PhotoImpact (now Corel PhotoImpact), but also recognized by other photo and video editing applications developed by Ulead; may include multiple editing layers, similar to a Photoshop (.PSD) document.
UFO files can be opened by Ulead Photo Explorer, but multi-layer images may not appear correctly.
NOTE: Ulead was acquired by Corel. While PhotoImpact is still supported, the Photo Explorer software is no longer supported.
Updated: March 16, 2018
2. Unified Font Object File
A UFO file is a file saved in the Unified Font Object (UFO) format. It contains data about a font, which includes the format version, creator, glyph layers, kerning information, images, and metadata.
Updated: October 24, 2017