Customize the tasks list
To help you prioritize your work, you can customize the tasks list to display different types of tasks and flagged items.
At the bottom of the navigation pane, click Tasks .
Do any of the following:
Mark a task as complete or incomplete
Select or clear the check box in the Status column.
Add or remove columns
On the View menu, point to Columns, and then click a column name. A check mark in the menu next to a column name indicates that the column is already displayed.
At the top of the tasks list, click the column header of the column that you want to sort by.
Filter tasks by attributes such as due date, completion status, and priority
On the Home tab, click the arrow next to Filters, and then click a filter.
Show or hide items by category
In the navigation pane, make sure that the category list is showing, and then select or clear the category check boxes.
Hide flagged messages and contacts
On the Home tab, clear the Flagged Items check box.
Hide overdue items
On the Home tab, clear the Overdue check box.
Show completed items
On the Home tab, select the Completed check box.