Yes, you can - and it’s very easy so don’t worry! Just follow these simple steps:
Go into your Design Board by clicking on the 'Design' icon on the blue left-hand navigation bar.
Click on the grey button, ‘Version History’, found in the top right-hand side of the page.
Down the right hand side you will have all the different saved versions showing the date and time.
Select the copy of the organisation design that you wish to revert back to and click on the blue button, ‘Restore this version’.
The selected version will overwrite the current version of the organisational design.