1. From the "Admin" tab, click the "Roster" menu item on the left sidebar.
2. Click "Add People" and an additional menu will appear. You should click "Bulk Changes".
3. Click "Download and update your Roster Template". A CSV of your roster will download to your computer. Open this CSV and make the appropriate edits to your roster and save it.
4. Drag your saved CSV to this box to upload. Once uploaded, click the "Review" button in the bottom right corner.
5. Review the changes. If everything looks correct, click the "Update" button in the bottom right corner.