Files with ud extension are used by the OmniPage as it's various data files.
Software that open ud file
UD file extension - OmniPage user dictionary
What is ud file? How to open ud files?
File type specification:
The ud file extension is related to OmniPage. OmniPage user dictionary - an user dictionary created for OmniPage, an optical character recognition (OCR) program. It contains custom words, such as proper nouns, technical terms, and abbreviations that have been added by the user. It supplements the program's built-in dictionary, which assists in the text recognition process.
The default software associated to open ud file:
Company or developer:
Nuance Communications, Inc.
OmniPage is optical character recognition software. It is used to convert paper documents to the editable digital document. OmniPage knows about 120 languages.
List of recommended software applications associated to the .ud file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open ud file, edit ud file, convert ud file, view ud file, play ud file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with ud file - OmniPage user dictionary
Click on the software link for more information about OmniPage. OmniPage uses ud file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).