Processing Planning Board Elements 
You can select multiple planning board elements at the same time, even if they are in different areas of the planning board.
Press and hold the control key (CTRL).
Use the mouse to select the required planning board elements one after the other.
Keep the control key pressed while you carry out the next action (for example, deleting or moving assignments).
Select the required planning board element.
Choose (can also be accessed from the context menu or toolbar).
Make changes as required.
Choose
(Change).
You can move all planning board elements to a different time.
Select the required planning board element.
Move the element by pressing and holding the primary mouse button and dragging the element to the required date.
Choose
(Selection Mode).
Press and hold the primary mouse button to drag a frame around all of the assignments that you want to move.
Note
You cannot move assignments and time allocations simultaneously.
Move the assignments by pressing and holding the primary mouse button and dragging one of the assignments to the required date. You can only move the assignments to a different time; you cannot change the resources.
The assignments are move synchronously.
Note
Assignments of multiple resources cannot be assigned to other resources during a move.
Choose .
You can delete multiple assignments at the same time by selecting them in
(Selection Mode) and then deleting them.