Swiping up with Three Fingers on Mac Os X Launches What??

How to Use Trackpad Gestures to Navigate MacOS

View Mission Control : Swiping up on the trackpad with three fingers causes your open windows to explode outward, allowing you to see all of the windows simultaneously. Apple calls this Mission Control.

How do you do the Three Finger Swipe on a Mac?

Choose Apple menu  > System Preferences, then click Accessibility.
Select Pointer Control in the sidebar.
Click the Trackpad Options button.
Select ”Enable dragging”, then choose ”threefinger drag” from the menu.
Click OK.

How do I Turn off 3 Finger Swipe on Mac?

1 Answer. The three finger double tap to zoom is controlled in System Preferences > Accessibility > Zoom > Advanced > Controls. I suspect you have the "Use trackpad gesture to zoom" enabled. Untick it.