Following Keyboard shortcuts are available:
Rapidly adding activities - Once an activity is created:
Press <Shift>+<Enter> to rapidly add activities vertically
Press <Ctrl>+<Enter> on windows (<Command>+<Enter> on a mac), to rapidly create activities to the right of the last created activity (Horizontally)
Please note that all newly created activities will have a FS (Finish to start) relationship automatically defined
Undo - Press <Ctrl>+Z to undo the last activities on the current screen
Use <Tab> key to jump between activity name and duration
Find a text string: <Ctrl>+F
Selecting all activities and groups on Canvas: <Ctrl>+A