How to Downgrade Mac from Monterey to Big Sur | No Data Loss Step 1: Back up Your Mac before UpdateĪny upgrade or downgrade of macOS may put you in the danger of losing important files, documents or programs, if nothing has been done. Moreover, you can also follow the steps below to downgrade macOS 12 to 11. And before you downgrade the system, make sure you update to Monterey correctly.
Certainly, you're suggested make a backup of your macOS at the initial, so that you're able to recover your data on macOS Monterey. If you are regretted to upgrade to the latest macOS Monterey or beta versions, the above tips are also applicative for downgrading macOS Monterey to Big Sur.