Visual Studio can't find the UnityX.dll files after I copied my assets folder from one computer to another. Where can I find these .DLLs?

  • UnityEditor.dll
  • UnityEditor.iOS.Extensions.XCode.dll
  • UnityEngine.dll
  • UnityEngine.UI.dll

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  • UnityEngine.dll and UnityEditor.dll can be found Editor\Data\Managed subfolder of your Unity installation.
  • UnityEditor.iOS.Extensions.XCode.dll is in Editor\Data\PlaybackEngines\iossupport and
  • UnityEngine.Ui.dll is in Editor\Data\UnityExtensions\Unity\GUISystem\Standalone
  • 1
    \$\begingroup\$ In the latest Unity (5x) the UnityEngine.Ui.dll is in: /Contents/UnityExtensions/Unity/GUISystem/Editor/UnityEditor.UI.dll \$\endgroup\$ – marfastic May 13 '16 at 10:57
  • \$\begingroup\$ C:\Program Files\Unity\Hub\Editor\2019.4.15f1\Editor\Data\Managed\UnityEngine.dll \$\endgroup\$ – WernerCD Nov 21 '20 at 9:40
  • \$\begingroup\$ UnityEngine.UI.dll is in "<PROJECT_DIR>\Library\ScriptAssemblies" for Unity 2020.3. \$\endgroup\$ – Zandor Smith Mar 29 at 12:18

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