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In the Backups section, check the box for "Encrypt iPhone Backup.".Open iTunes if it doesn't open automatically when you connect your device and let your device sync normally.Connect your iOS device to your computer the way you normally do.If you back up your iOS device using iCloud, you do not have to follow any steps for encryption, as iCloud backups are automatically encrypted for you.
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Encrypted backups are not the default option, but for those of you who want to be able to save more comprehensive backups to your computer, we've created a tutorial that walks you through encrypting iTunes backups and removing that encryption. You can save information like passwords and website history in an iTunes backup if you encrypt it, which is an option that Apple offers. For security reasons, by default, an iTunes backup will not include saved passwords, Wi-Fi settings, website history, or Health data. If you connect your iOS device to your computer to back up your data instead of using iCloud, some of your most private data is not backing up.
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