A daily updated filename extension database!

UD file extension

The table below provides useful information about the .ud file extension. It answers questions such as:

  • What is the .ud file?
  • What program do I need to open a .ud file?
  • How can the .ud file be opened, edited or printed?
  • How can I convert .ud files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ OmniPage User Dictionary

UD file is an OmniPage User Dictionary. OmniPage is a powerful OCR (Optical Character Recognition) application.
UD format description not yet available
Category: Data files
Application: OmniPage
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
UD aliases:
UD related links:
UD related extensions:
Abbyy FineReader Data

OmniPage Document

OmniPage Language Data

OmniPage Training

OmniPage Zone Template

OmniPage Image Enhancement Template

OmniPage Document

OmniPage Job Data

OmniPage BatchManager Job

OmniPage Internal Data

Other types of files may also use the .ud file extension.

🚫 The .ud file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

hd, id, jd, kd, uc, ue, uf, ur, us, uw, ux

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Lotus Notes User ID File
Sony Playstation 2 SCEI Instrument Set Data
General Hard Disk Image
UnrealScript File
Uuencoded Data
Crestron SIMPL Compile
Jigsaw Terminal Data
English Language Info File
Ur Source Code
Doclava Javadoc Template

🔴 Can't open a .ud file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .ud file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .ud file extension, write to us!

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