With Windows Mail, you can create Groups, which is a list of some of your
Contacts.
Open the Contacts folder, you should have a button on the
toolbar for "New Contact", "New Contact Group", Import" and "Export".
-----------
If you don't see these buttons, the folder template got changed, as it
sometimes does...
Right-click on a blank area of the right pane, and select "Customize this
folder".
In the pull-down box, select "Contacts"
OK
----------
Click on the "New Contact Group", give it a name, select the contacts you
want, save.
To select all, use the normal Windows selection methods....
Press Ctrl-A to select all,
Press Ctrl and click on various contacts,
click on a contact, press Shift, click on the last contact in a contiguous
range