1. When I contact is blocked, they have no way to send you any messages or to call you. Select/highlight the contact you want to block.
2. Right-click then select Block This Person.
3. Another window will pop-up and will give you additional option to Remove Contact From Your Contact List (if you want to delete them from your list of contacts),or to Report Abuse (for spammers, scammers and other abusive users) .
4. Click the Block button.