Contacts > Filter contacts into Groups

This will allow you to filter your contacts into different groups.

Firstly select the group of contacts that you wish to filter. If you want to filter all of your contacts select the All group.
Secondly, select if you want to filter the contacts into a new group or into an existing group.
Thirdly, select your filter criteria.

Please note that all filters ignore "Opted Out" contacts.

If you are still unsure then please watch the tutorial video:

Filter your Contacts

Your Current Groups

Filter Contacts