Select the contact group that you want to email at the top of the directory:
3. Show All
If your contact group has more than 50 members, you'll need to use the ALL filter above the directory to make sure all your contact group members are displayed. If your contact group has fewer than 50 members, you can skip this step.
4. Select All
Use the green "Select All" plus symbol in the right hand column to select all users
5. Email Users
Click the Email Users option at the top of the page which will then start an email to these members.