Great Question! If you want to download a list it's very simple!
Anywhere there is the list configuration box you can download the list, simply click on the ellipses (...) and click Download. See the below for an example:
If you go to Manage > Lists and choose the list you wish to download. After you've decided, click on the three dots at the end of the list's row:
After you've clicked on the download button, you'll recieve an email to the account registered on Myphoner:
If you're interested in learning more about list, check out our article on Tweaking your List with settings.