Even if you already imported from Quicken, as long as the carry-over charities don't have $$ entered in them, they'll still show up on that yes-no list.
The problem of duplication comes when you make actual $$ entries in the carry-over charities before importing them from the second source.
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
