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Enable autocomplete in IDE 2

Arduino IDE 2 introduces an autocomplete feature for writing your code. Follow these steps to enable the feature.

  1. Open the IDE.

  2. Open the Preferences window.

    • Windows/Linux: File > Preferences.

    • macOS: Arduino IDE > Preferences

    Locate Preferences

  3. Check the Editor Quick Suggestions box and click OK to save.

    Note that there is a bug (on version 2.0.0-beta.11 and earlier) that causes the box to appear unchecked when the preference window is opened, even if the feature is enabled.

    Preferences Window

Autocomplete is now enabled:

Testing Autocomplete

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