The UDS file extension is associated with the Sierra Generations a genealogy software. The *.uds file stores genealogy family data.
UDS file extension - Sierra Generations genealogy family file
What is uds file? How to open uds files?
File type specification:
The UDS file extension is also related to a very old genealogy program called Sierra Generations that was released around the year 1998. A *.uds file from Generations contains saved genealogy family tree.