Opening a Project
To open a project, go to the Projects panel in the sidebar and click the Folder icon in the header.
You can also use the keyboard shortcut: "Ctrl + O" for Windows and Linux, or "⌘ + O" for macOS.
Next, in the system dialog box, select the file with the *.clapx extension and click on the "Open" button.
Open Project System Dialog
In the case of the web version, the browser will ask for permission to edit this file - allow it and click "Save changes".
Project Editing Permission Dialog
After that, the project opens in the state in which it was saved.