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NUnit 3 Tests Are Not Showing In Visual Studio Test Explorer

· One min read
Mark Burton
Mark Burton
Software Engineer & Technical Writer

![](/img/Empty Test%20Explorer.png)

The message suggests that simply building the solution will fix this and the tests will appear in Test Explorer. Regularly that has not been the outcome for me, the Test Explorer window remaining resolutely empty.

To fix this it is necessary to open Tools ->Extensions and Updates...

![](/img/Tools Extensions%20and%20Updates%20Menu.png)

Search for NUnit to find the NUnit 3 Test Adapter ![](/img/Tools Extensions%20and%20Updates.png) Click enable and restart Visual Studio, the tests now show correctly.