There are a number of custom keyboard shortcuts that will help you navigate the takeoff canvas and speed up the time it takes you to complete a takeoff. Some are just nice user interface to have. Please find a list of the shortcuts below.
SPACEBAR → Hold the spacebar down and click with your mouse to pan around the canvas.
SHIFT → hold the SHIFT key while measuring lengths, the line will snap to a 90 degrees angle and you can ensure straight lines
CMD + ‘P' → hide/show thumbnail panel (left panel)
CMD + ‘D’ → hide/show Measure Drawer (right panel)
SHIFT + 'T’ → hide/show Toolbar
D → Hold ‘option KEY’ when selecting a measurement on canvas to ‘duplicate’ it
CTRL/CMD + ‘Z’ → Undo functionality
CTRL/CMD + ‘F’ → to do keyword Search on active page