Using the Project Library, you can duplicate this project to create a new version with a different aspect ratio (9:16, 1:1 or 16:9) so it will fit the different social media platforms.
Nevigate to the Project Library section
Select the 3-dot icon of the project you wish to duplicate
From the menu, choose Duplicate to and choose the relevant aspect ratio
You will see a copy of the project with the new aspect ration in the Project Library once it has been duplicated