OOONA is a cloud-based platform.
Your project is automatically saved every two minutes by default.
Manual Save
You can click on click on "Project" -> "Save" in the menu or the Save button on the toolbar.
You can also use the save hotkey. The default value is "Ctrl+S". You can check what hotkey is associated with the "Save current project" action in the hotkeys dialog. If you have a poor internet connection, make sure to back up your project locally. To download a project to your computer, click Project > Download project