playtest-unity/playtest/Library/PackageCache/com.unity.visualscripting@1.../Documentation~/snippets/vs-open-existing-external-c...

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open-existing-external-code

Double-click the C# file. Unity opens the file in the program you specified in your preferences, under External Script Editor.

[!NOTE] For more information on script editors in Unity, see the Integrated development environment (IDE) support in the Unity User Manual.