Members have option to select multiple groups while adding or editing Members.
Admin/User will get dropdown with multiple group selection when they click arrow mark by Group Type, and can select groups by clicking checkbox and Save.
Once complete, Members with multiple groups can be displayed separated by commas in Members page section.
Admin can have option to filter the members through Advanced Search.
They can export the members belonging to particular groups through downloaded file excel sheet.
Admin can also import the members with multiple groups separated by underscore in the excel sheet.
Members also can be imported through SFTP format also.