Sort Tasks
You can sort tasks in the Card View mode by Assign date, Due date, Upload status, Unread status and custom task properties if they were specified by the Portal admin.
To sort tasks, use the Sorting Mode button (1):
When viewing tasks as a table, the Sorting Mode button is not available.
You can sort items by clicking on a header of a column:
When viewing tasks as a table, toggle column headers to change the viewing order from ascending to descending