In the Settings app, go to Accessibility > Touch > Back Tap and choose one of two options: double tap or triple tap. You should see a list of actions you can run by tapping the back of your iPhone, ...
How-To Geek on MSN
6 essential steps I take before screen-sharing my Excel workbook
I use custom views, the selection pane, clean UI toggles, and other tools to present my workbook professionally.
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