...
You can drag and resize the tasks if needed by hovering the mouse cursor on the edge of the box until you see the double arrow which you can drag to reschedule the task or project. You can drag and drop to move a task or project to a different date.
How to
...
Hover the mouse cursor on the grey vertical line right next to the % Complete column which automatically changes to a blue vertical line.
Drag to the left side to decrease the task list box.
Note: You can drag it all the way across to the left side to completely hide the task list if preferred.
Resizing the Gantt Chart
How to Create Dependencies
You can create dependencies between two tasks or projects in the Gantt Chart and once configured, these tasks will have lines connecting them to show these dependencies.
...
How to Remove Dependencies
How to Resize the Gantt Chart
Hover the mouse cursor on the grey vertical line right next to the % Complete column which automatically changes to a blue vertical line.
Drag to the left side to decrease the task list box.
Note: You can drag it all the way across to the left side to completely hide the task list if preferred.
Resizing the Gantt Chart