Norton 360 for 2013 BackUp to external HDD

Norton Security | Norton Internet Security
1

I am trying to restore a file from Norton 360  Version 20.2.1.22     When I search for the file I find many versions labeled foo.ba1  foo.ba2  foo.ba3  foo.ba4  etc.  through foo.ba7.    How can I tell which is the oldest.   They all seem to have todays date & the same time!  

2

I am trying to restore a file from Norton 360  Version 20.2.1.22     When I search for the file I find many versions labeled foo.ba1  foo.ba2  foo.ba3  foo.ba4  etc.  through foo.ba7.    How can I tell which is the oldest.   They all seem to have todays date & the same time!