1. Click Add.
2. Enter a name in Group Name. The name appears in the Email Send Wizard.
3. Enter a percentage or a number of subscribers in a selected list in Group Size that is randomly added to the group. This format is used for the rest of the groups created in this random sampling. Note If you use a percentage, ensure that you select percent in the dropdown. If you enter a number, ensure that you select count in the dropdown.
4. Click the group folder to set the group's location. If you want a new group folder, click New, select the parent folder, and enter the name.
5. Click OK.