Enter Or Change Task Duration. When you edit a duration Project extends the task bar on the Gantt Chart to show the scheduled start date and the finish date based on the new duration. To set task duration in the Task Information dialog box enter it into the Duration field on the General tab of the Task Information dialog box.
On the Resource tab choose Assign Resources. Minutes Hours Days Weeks or Months. Move your mouse the end portion of the bar and you should notice a specific icon of the mouse.
Reset the duration to its previous value Select the task that you want to change.
Minutes Hours Days Weeks or Months. Move your mouse the end portion of the bar and you should notice a specific icon of the mouse. Minutes Hours Days Weeks or Months. When you edit a duration Project extends the task bar on the Gantt Chart to show the scheduled start date and the finish date based on the new duration.