Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .puml

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

Below, you can find answers to the following questions:

  • What is the .puml file?
  • Which program can create the .puml file?
  • Where can you find a description of the .puml format?
  • What can convert .puml files to a different format?
  • Which MIME-type is associated with the .puml extension?
PlantUML Diagram .puml file icon

PlantUML Diagram

The PUML file is a PlantUML Diagram. PlantUML is used to draw UML diagrams, using a simple and human readable text description.
Detailed description not available
Category: Development files
Application: PlantUML
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
CONNX InfoNaut Query
VS10XX VSOS Application
Rocket wIntegrate Script
Modelio Compiled Module
Helma Actions Script

Other types of files may also use the .puml file extension. If you have helpful information about .puml extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Pegasus Mail Distribution List
PATCHMASTER Pulsed Tree Data
Noptel NOS Shot Data
Visual UML Model Data

The .puml filename extension is often given incorrectly!

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

uml (1), pul (1), pum (1), pml (1)

Can't open a .puml file?

If you want to open a .puml file on your computer, you just need to have the appropriate program installed. If the .puml association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.puml

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android