Here we have a set of sales data that spans 2 years, broken down by month.

Generally, the fastest way to create a named range is to use the name box.

Just make a selection and punch in a valid name.

To see a list of existing names, use Control + F3.

On a Mac, add the function key.

Names also appear in the name box drop down.

In this case, the names come from the Top Row.

Now we have 6 names.

As you enter formulas names will match automatically as you pop in.

Confirm a name with Tab.

In Windows, you’ve got the option to also paste a name into a formula using F3.

it’s possible for you to also just point and click, which works on both platforms.

Array formulas must be entered with Control + Shift + Enter.

Now when I change the name, the summary is fully dynamic.

First, I’ll get a full set of names from the table, paste, and remove duplicates.

With the Ribbon, data validation is:

Alt A, then VV.

For the List, I’ll paste in “Names”.

Now we have a working drop down.