Sending email and using address book should be sorted by last name not first.
Use changes to order should be designed in.
This is not a suggestion. It is a request for instructions.
Go to Tools > E-mail accounts > View or change existing directories or
address books > Outlook Address Book > Change. > Set your sort order there

Signature
Russ Valentine
[MVP-Outlook]
> Sending email and using address book should be sorted by last name not
> first.
[quoted text clipped - 9 lines]
>
> http://www.microsoft.com/office/community/en-us/default.mspx?mid=b843fcd2-d16f-4
6e3-9a53-dd0806c9bc4e&dg=microsoft.public.outlook.contacts