You can select files and folders in the local or remote panes using one or more of the following methods:
Click an item.
Press and hold the Control key and click multiple items to select more than one item.
Press and hold the Shift key and click multiple items to select multiple items in sequence.
Click Edit > Select All to select all items in the focused pane.
Click Edit > Unselect All to deselect any selected items.
Click Edit > Select Group to select items using a filter (mask).
Click Edit > Unselect Group to deselect items from a previous selection using a filter.
Click Edit > Invert Selection to select all items except for those currently selected.