Drop your file to analyze it


What are UMLJ files and how to open them

Are you having problems opening an UMLJ file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your UMLJ files.

What is an UMLJ file?

An .UMLJ file is a StarUML Project file.

StartUML project file. StarUML is a sophisticated software modeler aimed to support agile and concise modeling. It is used to create data-flow diagrams and entity-relationship diagrams. The UMLJ file contains project settings for a user-generated project.

How to open UMLJ files

We have identified one UMLJ opener that is compatible with this specific type of UMLJ file.

Programs that open StarUML Project files


Last updated: February 24, 2023

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about UMLJ file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.