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With Quick Edit mode, you can easily switch from the Student view (Display View) of course content, to the Instructor view (Edit View) with a single click. It's no longer necessary to navigate in and out of the control panel and through the content heirarchy when you want to see changes that you have made.
A complete description of Quick Edit can be found in the Instructors Manual.
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A complete description of the QuickEdit can be found in the Instructors Manual.