In Illustrator, there are a few ways to save an artboard. You can save it as a PDF, JPEG, or PNG file. You can also save it as a vector file. The first way to save an artboard is to select it and press the Save As button. The second way is to click on the Save As button and then select the type of file you want to save. The third way is to right-click on the artboard and choose Save As… from the popup menu. The fourth way is to use the shortcut keys (F5, F6, etc.) to save an artboard.