I have a 2011 MacBook Pro and it was running OS 10.7. I use Time Machine regularly. Just had the harddrive replaced with an SSD and OS 10.11. If I restore from Time Machine instead of Migration Assistant will the restore revert to the old 10.7 OS?

If I use Migration Assistant to pull files from Time Machine, what will I lose? Apps? 'Date created' metadata?

(It's possible I haven't understood enough to state the question clearly.)

1 Answer 1


Using Migration Assistant is the same as restoring from a Time Machine backup. Restore data from your Time Machine backup will not change the version of OS X that you are running (i.e. you will remain at OS X 10.11 regardless of the version of OS X that created the backup).

You lose none of your information or metadata. You will not restore any system files, but all other files from your backup will be restored, including but not limited to files you created and saved, along with their metadata (date modified, etc).


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