Itunes Backup password recovery
How to recover password of Iphone backup in windows Itunes
iPhone X, iOS 15
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The only way to use an encrypted backup, or turn off backup encryption if currently enabled, is with the password that was entered when it was set up. The setting is stored on the device itself, so persists even if you delete your current backup set or switch to a new computer. If you have forgotten the password, or were not aware that encryption had been enabled, consider that it might be any computer, Apple ID, Wi-Fi password or device PIN that you've used in the past, working from the assumption that you might have reused a common password that you were using when encryption was first activated.
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