List contacts by first name instead of last

Is it possible to arrange contact list by first name instead of last?  I don’t see any way to make that choice.

When you click Contacts in EMClient, click “Custom View” at the top and then drag the headings left or right in whichever order you like. Also you can click on any of these headings to sort them A-Z etc.

Also there is a heading in Custom View called “File As” .  If you eg: Double click on a contact under File As, it will open the contact up and you can change the name in the (First Name) contact field which ever way around you like. So you could type in eg: John Smith where by default it probably for you sounds like is eg: Smith John .