Some apps on some iPads support full split-screen capabilities, so be prepared for a variable user experience in this new iOS 9 capability Apple has added several capabilities to iOS 9 to make the iPad work more like a laptop, as I’ve described previously. But one new capability — split-screen multitasking — deserves extra attention because it’s available only on some iPad models and because many apps still don’t support it. As a result, iPad users can work in separate multitasking modes depending on what iPad they are using and what apps they are running. Understanding the two split-screen modes There are two split-screen modes for the iPad in iOS 9, available in both landscape and portrait orientation. One mode, called Slide Over, restricts the second app to the right-hand third of the screen. You can work in that right-hand screen while it’s open, but the app in the left-hand window is grayed out; you can only see its current state, not work in it. When you tap the left-hand window to work in its app, the other app’s Slide Over window closes. Slide Over is supported by the iPad Mini 2 and later Mini models, the iPad Air and later Air models, and the forthcoming iPad Pro. Working in Split View The other mode, called Split View, lets you split the screen however you want — you slide the divider between the two panes to determine where they split: one third of the way from the left edge, half way, or two thirds of the way. Plus, you can work in either app while both are visible; simply tap its window to work in it. That means you can also copy and paste between the two windows, rather than have to switch from one full-screen window to another. Split View is supported only by the iPad Mini 4, iPad Air 2, and iPad Pro. The original approach iOS still supports the old-fashioned one-screen-at-a-time multitasking approach introduced in 2011’s iOS 6, where you double-tap the Home button to see running apps, then tap the one you want to switch to (or use the four-anger horizontal swipe gesture to move from on app to another). How to open apps in split screens Both Slide Over and Split Screen modes start off the same way: You first have to switch to the primary app for your split screen; this app initially takes the full screen and will be resized to the left-hand two-thirds of the screen once a split-screen mode is in effect. It’s important to start with the primary app because you cannot swap the primary and secondary apps once you’ve gone into a split-screen mode — an awkward omission. To do that, you have to exit the split-screen mode by pressing Home to open a new app as the primary or by using the old-fashioned multitasking to switch to a different app as the primary. To split the screen for a second app, swipe in from the left edge of the screen to show the last-used compatible app. If you swipe in far enough, the last-used app’s window sticks in place. Otherwise, it slides right back off. (That lets you peek at that last-used app without opening it in a window.) Note the phrase “last-used compatible app”: Many apps don’t yet support the iOS 9 split-screen modes. Thus, they simply won’t display in that right-hand window, though they will appear in the left-hand window. For example, Apple’s iWork apps, which don’t support Split Screen or Slide Over modes, still can be visible in the left-hand window in Slide Over mode, but you can’t put an iWork app in the right-hand window. (Yes, it’s odd that Apple’s productivity suite doesn’t yet support iOS 9 split-screen multitasking, though Microsoft’s Office 365 apps do.) If you see a handle between the two screens, as is visible in the screen showing Word and Excel earlier in this post, that means both apps support Split Screen mode. Thus, you can drag the handle to change the split, as well as work in the apps while they are both visible onscreen. If you don’t see that handle, that means one or both apps is not compatible with Split Screen mode, so the iPad will run in Slide Over mode. That can be confusing. Compatible vs. incompatible apps For example, Microsoft’s Office 365 apps are compatible with Split Screen Mode, but Apple’s iWork apps are not. So: If you have both Word and Excel on screen, you can use Split Screen mode because they both support it. If you have both Keynote and Numbers on screen, you can use only Slide Over mode, since neither app supports Split Screen mode. If you have both Word and Keynote on screen, you can use only Slide Over mode because although Word supports Split Screen mode, Keynote does not, which prevents Split Screen from working for this particular combination of apps. Showing compatible apps In both Slide Over and Spit Screen modes, at the top of the right-hand window is a handle that you pull down to show all compatible apps. (If an app you want doesn’t display, it’s not compatible with the split-screen modes.) Scroll vertically to move through those available apps, and tap the one you want to load into the split screen. Related content feature Office 365: A guide to the updates Get the latest info on new features, bug fixes, and security updates for Office 365/Microsoft 365 for Windows as they roll out from Microsoft. Now updated for Version 2404 (Build 17531.20152), released on May 14, 2024. 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