Open an app in Slide Over on iPad
You can use an app that slides in front of another app or in front of itself. For example, open Messages in Slide Over to carry on a conversation while using Maps.
iPad keeps track of the apps you open in Slide Over so that you can switch between them easily.
Open another app in Slide Over
While using an app, swipe up from the bottom edge and pause to reveal the Dock.
Touch and hold an app in the Dock, then drag it above the Dock.
If an app is already open in Slide Over, it’s replaced by the app you drag from the Dock.
Switch between apps in Slide Over
Swipe right along the bottom of the Slide Over window, or do the following:
Swipe up from the bottom of the Slide Over window.
Swipe right, then tap the window you want to view.
Move the Slide Over window
Do one of the following:
Move the Slide Over window to the other side of the screen: Drag from the top of the Slide Over window.
Remove the Slide Over window: Drag the top of the window off the right edge of the screen.
Move the Slide Over window back onto the screen: From any open app, swipe left from the right edge of the screen.