For example, Maps, distance, units, and your settings for Mail, Calendar, Stocks, and Weather. App-specific data (for built-in apps) and settings (for built-in and third-party apps).You can also back up your health data separately via a third-party app, but it's not nearly as smooth of a process (and you'll lose all your Activity achievements). Therefore, it's now recommended that you use an encrypted iTunes backup instead, or sync your Health data via iCloud.

Note: If you still use a computer to make unencrypted backups of your iPhone, you aren't saving any Health data. Meanwhile, your app data becomes bundled as part of your iPhone backup because Apple Watch apps are technically just extensions of iPhone apps. So, for example, the first three pieces of information get synced to the Health app, where they're either encrypted and stored in iCloud or stored as part of your encrypted iPhone backup. Whenever your Apple Watch gets connected to your iPhone via Bluetooth or Wi-Fi, it automatically syncs your latest Health, Workout, Activity, and app data. The new Apple Watch Series 7 should backup precisely as all the older Apple Watch models have in the past.

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