You can transfer files by exporting them using the "Export to local Gantter file" option in the "Project" menu of the gantterAi™ editor. Once in your desired edition, you can import using "Import local Gantter file" from your "Project" menu of the gantterAi™ editor.
You can also Export in the following ways under the file option on the top menu:
Once they are downloaded they will show up on your computer wherever files download to by default ready for you to export to your desired location.