Hi Michael,
We're working on this feature. When it's done, you'll be able to copy & paste the options into a textarea. No need to enter each option one by one.
The tab requires Meta Box Tabs extension. When you activated the extension, you can add tabs like in this screenshot:
https://i.imgur.com/pQSMp7c.png
And they will display like this:
https://i.imgur.com/E33eTsk.png