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From Table view you can:
Change task attributes: assignee, status, and start and due dates.
Add custom field values for specific tasks.
Copy the task permalink.
Delete tasks.
To choose a status from the current workflow:
Double-click the Status column in the task's row (you may need to enable it first).
Select a different status from the list.
To choose a status from a different workflow (custom workflows are available on Business and Enterprise accounts):
Right-click a task's row.
Select Mark as.
Hover over Change Workflow.
Hover over a workflow that you want to choose a status from.
Click the appropriate status.
Right-click a task's row.
Click Delete.
The selected task is moved to the Recycle bin.
You can undo this action by clicking the Undo icon on the panel above the table.
Right-click a task's row.
Select Copy Permalink.
The task's permalink is copied to your clipboard.