1. From the Main Menu go to Tools > Settings, select the General Tab (highlighted below).
You should see a page similar to
2. Clicked on View Track Report Fields (see highlighted above)
3. Ensure that Show Dates in Track Report Cells is set to on (see highlighted below).
When running a Track Report, the Scheduled Dates are shown for Tasks that are Scheduled and the date the Task was Finished is displayed for Finished Tasks (see below).
Note that colors of the cells remain the same - i.e. White for Yet To Start, Green for Active, Orange for On Hold and Red for Finished Tasks. If there is no Scheduled date the cell will display either nothing or Y (Yet to Start), A (Active) etc.