On the Volunteer List, tap the Green dropdown Selector in the header of the Page and select Filter. The last Row of filters will be the Group-related filters. From here, you can choose to filter your groups in two different ways:
Group Type
Group Type allows you to combine Individuals, Account-Based Groups, or Number-Based Groups.
Group Title
Group Title allows you to select specific groups that you want to filter the Volunteer list down to.
