Enter an identifying name for your Tab Group, then tap Save.Alternately, if you already have the tabs open that you want to group together, select New Tab Group from X Tabs. Tap or long press the middle of the tab bar at the bottom of the screen.

Launch Safari and tap the Open Tabs button in the bottom right corner of the screen.You can open up the new tiled tab view in Safari and then long press on the Tabs icon in the middle to save your open tabs into a Tab Group or to open one of your saved Tab Groups. Or of you have a set of websites you always open up for work, you can save these in a dedicated Tab Group. If you're planning a trip, for example, you can save all of your tabs into a 'Vacation' group, accessing them when needed and leaving your device free for other content when you're not doing active planning. Tab Groups are a way to easily save and manage related tabs, such as those used when planning trips or shopping, or groups can be used to store the tabs you visit daily. Tab Groups are a new Safari feature introduced in iOS 15 that aim to make organizing and preserving your open browser tabs more manageable without having to have those tabs active.

Safari save tabs on exit