If you are currently using any Intuit products for history download or account aggregation please see the following links with steps to take before and after conversion on January 29th:
Mint Conversion Info
Post Conversion Issue Help Guide
Mac Users:
QuickBooks Web Connect 13-16
Quicken Web Connect 15-16
Quicken Express Web Connect 15-16
Quicken Web Connect 2007
Windows Users:
QuickBooks Web Connect 13-16
Quicken Web Connect 13-16
Quicken Express Web Connect 13-16