For Individuals:
     
    • Create an addressee/salutation format in Configuration that contains the Constituent ID
       
    • Select Tools, User Options from the menu bar
    • On the Records tab, highlight Individual Title Bar
       
    • Select Use addressee from Configuration and the new add/sal
    • The constituents now display with the new addressee/salutation (which includes the constituent ID) on the title bar

      For Organizations:
      1. Select Tools, User Options from the menu bar
      2. Select the Records tab
      3. Select Organization, Organization Title Bar
      4. Mark the Include Constituent Id checkbox