Creating Groups can help you to organize your contacts and made it easy to share them.
Step 1: On your PC Go to ContactBook, And Log In with your account.
Step 2: Click on Create New Group.
Step 3: Now Set a Group Name that best suits your needs. Then click on the Create.
Step 4: Yah! Your Group is created successfully.
Note: You can make your Group private for your personal use. Check Step 3: and checkmark on make this group as private and continue the process same as above.