Summary information about users is displayed in an address book and in the Address Selector when you mouse-over that name. This display is called Quick Info.
Quick Info is enabled by default. To disable Quick Info:
In the Main Window, click on the toolbar.
Select any address book.
Right-click one of the contacts in the selected address book, and choose Disable Quick Info.
This action disables Quick Info in all address books. To re-enable Quick Info, repeat the process above to remove the check mark from the option, as shown below:
Quick Info disabled:
Quick Info enabled: