Answer
- On your Mac, choose Apple menu.
- Click to System Preferences.
- Click Users & Groups.
- Click the lock icon to unlock it.
- Enter an administrator name and password.
- Select the user or group you want to delete.
- Click the Remove button (looks like a minus sign) below the list of users.
How to Delete a User account on macOS Sierra
How to add and delete a user on your Mac
How do I delete a user on my Mac High Sierra?
1. On your Mac, choose Apple menu.
2. Click to System Preferences.
3. Click Users & Groups.
4. Click the lock icon to unlock it.
5. Enter an administrator name and password.
6. Select the user or group you want to delete.
7. Click the Remove button (looks like a minus sign) below the list of users.
How do I force delete a Mac user?
Select the user or group you wish to delete and then click the Remove button below the list of users in System Preferences on your Mac.
Why can I not delete a user account on my Mac?
Check to see whether the user account you want to delete is the only administrator account. You may not remove a single administrator account if there is only one on the device; instead, you can either add another admin or create a new administrator account and then delete the old one.