To quickly mark a reminder task complete:

1. In your saved search for reminder tasks, highlight the task line by clicking the box on the far left of the task in the result list.
   
   
    
2.  A pop up will appear where you can select the status and mark  “Completed” or “Discontinued” etc.
   
   
    

To expand the task and edit other details such as follow up dates, contacts, or notes:

Specifically click on the blue text in the Description field:

This will take you to the Reminder Task details where you can check the “Edit” Box, make changes to any of the data or notes, and click “Save” to update them: