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Disable auto-correction of spelling in Mac OS X Lion (10.7) and Mountain Lion (10.8)


  • In Mac OS X 10.7 (Lion) and 10.8 (Mountain Lion), Apple has included a feature that automatically corrects common misspellings; similar to the behavior in Apple's iOS. This guide will show you how to disable this feature.


  1. Navigate to System Preferences.

  2. Select Language & Text preference pane.
    System Preferences

  3. Select the tab labeled Text.
  4. Uncheck the box labeled Correct spelling automatically.
    Language & Text Preferences

  5. Close the System Preferences window. Spelling auto-correct is now turned off.

IS&T Contributions

Documentation and information provided by IS&T staff members

Last Modified:

January 30, 2014

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