Class Diagrams missing in Visual Studio 2019

Problem

The Class Diagram item is missing in Visual Studio 2019.

Solution

For some reason this is not installed by default in Visual Studio 2019, so we simply need to install it.

1. In Visual Studio click Tools > Get Tools and Features…

2. Close Visual Studio.

3. In Visual Studio Installer:

  • Click Individual components
  • Search for Class Designer
  • Select Class Designer
  • Click Modify
Visual Studio Installer - install Class Designer component

4. Wait for it to finish installing, and then launch Visual Studio.

Now you’ll be able to add Class Diagram items again.

Add Class Diagram item

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