Fit Content to Frame allows users to automatically resize their design on the Layout Page to fit to the frame size. 

This tool will scale the design proportionally to fit the frame that you have created. To use this tool:

1. You first need to customise your toolbar. 
   
   
   
    
2.  Create the frame for your design at the desired size
   
3. Click on the Fit Content To Frame icon and your design will be rescaled proportionally to fit.