See this page for ongoing access to your data if you do not renew the subscription. You can still enter new transactions manually, except for the Starter Edition which becomes read only and is limited. And about 25% of your screen will be taken up with a reminder to renew.
See this thread, Expiration-Vote, voting is done on the first page at the bottom of the original post (look for blue box).
Quicken Subscription Membership questions
Quicken Discontinuation Policy