Just go to the board and click export :)
Cheapest solution that exports all your cards
$3/member/month on monthly subscription
or
$9/member/year on yearly subscription
No, you pay only for the members you have selected during checkout process. If you want, you can include all members of a board/organization without having to select them all. If the same member exists on each board, it will be counted only once
You can export up to 5 cards for free
Yes you can. Check out our refund policy in the Terms of Service if interested.