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UMLJ file extension

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

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

✅ StarUML UML Project

.umlj
Description:
UMLJ file is a StarUML UML Project. StarUML is a tool to create class diagrams and other types of diagrams in the Unified Modeling Language (UML).
UMLJ format description not yet available
Category: Project files
Application: StarUML
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
UMLJ aliases:
-
UMLJ related links:
-
UMLJ related extensions:
StarUML Project File

StarUML v1 Model Data

StarUML UML Fragment Data

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

🚫 The .umlj file extension is often given incorrectly!

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

mlj, umj, uml

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Canon MultiPASS Suite Fax Document
Tribes: Vengeance Data
Unified Modeling Language File
StarUML v1 Model Data

🔴 Can't open a .umlj 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:

example.umlj

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 .umlj 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 .umlj file extension, write to us!

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