Here you can create groups to personalize your contacts. You create groups for marketing, special numbers, and many more. Once you created a group, you can import contacts there by clicking the Bulk Import option. There you can import contacts in three ways Import from a file, Copy & Paste, and Enter manually. After choosing your proffered type, click on Next. Then Done. All three processes contain different options. There you can create a new group too by clicking Add New Group.