Automatic login is a convenient feature available for Mac users and it helps saves time and eradicate the option to enter your password while logging in. . It allows the user to simply open the laptop and gain full access to its systems and files with no authentication or password required. See a similar list of articles on how this can be done in Windows. Also, see how to enable automatic login on Windows 10 via the Registry and how To prevent MacBook from automatically Logging out.
This may pose a security concern, but if you are in a secure environment and you are the only one having access to the PC, then this is absolutely okay. But for those that go about with their devices, this is a security concern! Password protection is critical for keeping confidential and vital data safe, especially customer data and email access to company financial accounts.
Automatic login and logout can be configured for individual workstations as described below.
1: Automatic login: If you turn on automatic login for a macOS user account, your Mac automatically logs in to that account during startup.
The option is found in the System Preferences window as shown below
- Click on Users and Groups 
This will open up the Users & Groups window as shown below
- Click the lock 
, then enter the account password.
Note: If you aren't logged in as an administrator, you're asked to enter an administrator name and password.
, then enter the account password.
Note: If you aren't logged in as an administrator, you're asked to enter an administrator name and password.
– Click Login Options in the lower-left corner.
– Choose an account from the “Automatic login” menu, then enter the password of that account.
As you can see below, automatic login is disabled "Off". This is not what we want. To enable follow the step below
To enable automatic login for a specific user, click on the
To complete this step, you will be prompted to confirm this settings by entering your password to permit automatic login as shown below.
The account is now set up to log in automatically when your Mac starts up. You might still be asked to log in manually after logging out, switching back from another user account, or locking your screen.
Note: If the username is greyed out, you are unable to enable automatic login as your Mac requires manual login. This can be fixed:
– If FileVault is turned on, manual login is required for all accounts. You can turn FileVault off.
– If an account uses an iCloud password to log in, manual login is required for that account. You might also see the message “A user with an encrypted home folder can’t log in automatically.” When changing the account password, you can choose not to use the iCloud password.
2: Disable Automatic Login on macOS: These steps are similar to the steps discussed above.
– Open System Preferences.
– Click Users & Groups.
– These are the same steps we have performed above, but this time, we will be selecting the option “off” in the Automatic Login.
Click on the lock again to prevent future changes and close System Preferences to save changes.
You can also see this settings enabled under the Security and Preferences Window
– Click on the General Tab as shown below. You will see the Disable automatic login option is greyed out and check. This is because, we have currently disabled automatic login for users on the macOS.
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