Select as Accounttype: "CardDAV"

Fill in the informatuon as follows:

• Username: Your groupware e-mail address
• Password:Your groupware-password
• Serveraddress: https://groupware.stepping-stone.ch:443

Important (if you user Mac OSX version 10.6):

• Replace the "@" in your re-mail address with a "*", so max.mustermann@firma.ch gets max.mustermann*firma.ch

Click on "Create"