Frustrated when your Mac apps don’t remember their windows—or when they stubbornly reopen old documents? Two little-discussed settings control this behavior. Here’s how Apple’s Resume technology really works.

Your iPhone’s Action button can do much more than toggle Silent Mode. Try it for quick translations or voice memos—or explore the many options in Controls and Shortcuts to trigger nearly any action with a long press.

Spaces, tabs, and returns seem simple—but using the wrong invisible character can wreck your document’s layout. Learn when to use non-breaking spaces, tabs, and soft returns to create cleaner, more professional documents.