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Details of the .puml file extension

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

  • What is the .puml file?
  • What program do I need to open a .puml file?
  • How can the .puml file be opened, edited or printed?
  • Where can I find the specifications for .puml?
  • Which MIME-type is associated with the .puml extension?
  • How can I convert .puml files to another format?
  • What are other, similar filename extensions to .puml?

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

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

.puml file extension details

PlantUML Diagram

PlantUML Diagram .puml file icon
PUML file is a PlantUML Diagram. PlantUML is used to draw UML diagrams, using a simple and human readable text description.
PUML format description not yet available
Category: Development files
Application: PlantUML
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
PUML aliases:
PUML related links:
PUML related extensions:

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

.puml file extension error

The .puml file extension is often given incorrectly!

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

pul, uml, pml, pum

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

PATCHMASTER Pulsed Tree Data
Unified Modeling Language File
StarUML v1 Model Data
Windows NT Performance Monitor Log
Palm Markup Language File
open .puml file

Can't open a .puml 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 .puml file association, check the FAQ.

.puml file extension

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 .puml file extension, write to us!

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