since 2000
All about UD Files
The UD file type is primarily associated with AOL.
What is a UD file?
UD files mostly belong to AOL by America Online, Inc. Use our "Online UD Text Viewer" below to analyze your UD file and to see all text it contains.
How can I open a UD file?
You need a suitable software like AOL to open a UD file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your UD file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a UD file directly in the browser:. Just drag the file onto this browser window and drop it.
Online UD Text Viewer
or drag and drop it here
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Programs that open and convert UD files:
- AOL by America Online, Inc.
See the previous paragraphs to learn more about the main application.
- OmniPage (User Dictionary) by Nuance Communications, Inc.Program ID is OmniPage.UserDictionary
Technical Data for UD File Extension
a ud 4.0 is a special file format by America Online, Inc. and should only be edited and saved with the appropriate software.
How to solve problems with UD files
- Associate the UD file extension with the correct application.
- Update your software that should actually open 4.0s. Because only the current version supports the latest UD file format. Search, therefore, e.g. on the America Online, Inc. manufacturer website after an available AOL update.
- To make sure that your UD file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
- Click here to open your .UD file online - secure, fast, and no downloads needed.