A Complete Solution for Contact Management - Address Book. Credo Contact Manager Ver. 2.0.2 is an easy to use management software program. It is password protected with the possibility to enable/disable the password login at program start-up. Also you can make notes of all your contacts. You can backup all your contacts and notes. Email client and a phone dialler is also included (modem, microphone & speakers required). Web links of your contacts will take you straight to there web site. You can print out individual contacts or all.