1. Click on the Trip you'd like to make a Proposal/Itinerary
Clicking on the trip will bring up the Trip Sidebar on the right-hand side of the screen.
2. Click on 'Type'
Clicking on 'Type' will bring up the options of Itinerary and Proposal.
3. Select Itinerary or Proposal
Simply click on which you'd like it to be! You can change any itinerary or proposal into the other at any point.
Pro Tip: If you wish to keep a Proposal or Itinerary version you can choose the Copy option to create a new version of that trip and then convert it to the Itinerary or Proposal on the copied version.
For more information on Proposals and how they work, click here.