Skype for Mac OS X
Sending contacts
You can share your list of contacts with other Skype users by using the “Send Contacts” feature. Select “Send Contacts” from the Contacts menu and you will be able to choose specific contacts from your list to share with the person. Select one and press the “Add to Send List” button to add the selected contact to the list you will share with the other person. You can then click “Send” to begin the process of sending contacts.