HT201250: Use Time Machine to back up or restore your Mac
Learn about Use Time Machine to back up or restore your Mac
-
All replies
-
Helpful answers
-
Dec 21, 2013 1:37 PM in response to 257robert55555by Eric Root,As long as the external drive is connected to the computer, Time Machine can back it up. When you set up Time Machine in System Preferences, click the Options button to make sure the external drive is not excluded. If it is, select it and use the minus sign to remove it.