Select your account type.
If you don’t see your account type, click Add Other Account, then select the account.
Follow the onscreen instructions to enter your account information and sign in.
Make sure the Notes tickbox is selected for the account.
Each account you add is listed separately.
Make sure you set up your iPhone, iPad and iPod touch to use the same notes accounts, so that your notes stay up to date across all your Apple devices. See the “Set up and get started” section of the user guide for on your Mac, choose Notes > Accounts.
Select the account, then turn off Notes.
The account’s notes aren’t available while Notes is turned off.
To view notes from the account again, turn on Notes.
In the Notes app Change settings in Notes on MacApple Support article: Use Notes on your iPhone, iPad, and iPod touch