Windows

ShortcutAction
Alt + NCreate new folder
Ctrl + Alt + RRefresh slide library
Ctrl + ASelect all folders and slides
Shift + ClickSelect folders or slides in between
Ctrl + ClickAdd folder or slide to selection
Double click on slideInsert slide

Mac

ShortcutAction
Alt + NCreate new folder
Cmd + Alt + RRefresh slide library
Cmd + ASelect all folders and slides
Shift + ClickSelect folders or slides in between
Cmd + ClickAdd folder or slide to selection
Double click on slideInsert slide