Data: Sort by
is useful to Sort the information by more than one criteria. Say
you wanted to see how much each sales rep sold by month.
Try it: Sort by Multiple Criteria
Go to Data -> Sort &
is Custom: January, February, March
Add Level to add a second Row.
Choose: Sales Rep
The Order is A
Add Level again to add another Row. Choose: Date
The Order is
Oldest to Newest.