UML diagrams in Visio

Unified Modeling Language (UML) is a standard way to draw software models, sketch out designs, or document existing designs and systems. In Visio, you can start with a blank UML template or modify a UML starter diagram. UML templates and diagrams are available in the Visio subscription app, Visio 2019, and some older versions of Visio.

Find UML templates

  1. Go to File > New in the desktop app.

  2. In the search box, enter "UML" to display the different UML template options.

  3. Select the kind of UML template you'd like to start with. You can choose a blank template with a UML stencil or choose a starter diagram to modify.

UML diagram templates in Visio

For specific instructions for creating your UML diagrams, select any of the links below for details and then choose the tab for the version of Visio you're using.

UML 2.0

UML 2.5

If you have a subscription to Visio, you can access the following UML 2.5 templates in the latest version of the subscription app.

Where is the UML Model Explorer?

If you’ve built UML diagrams in previous versions of Visio, you might remember using the Model Explorer. Diagrams made with the Model Explorer were locked against editing and some formatting. In Visio 2013 and Visio 2016 Professional, there is no Model Explorer. You simply drag the shapes from the stencils provided. The shapes are unlocked and more flexible, so you can change their behavior if needed. Drawings are also more customizable, yet they still meet the UML standard.

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