Thank you for taking the time to visit the Community to report this issue, although I apologize that you have not received a response.
Quicken has the option to archive a portion of your data file. To learn more, please see the information available here.
Please let me know if this what you were needing.
you for reaching out on the community and telling us about your issue. I do
apologize for the issue you're having.
You should be able to delete the account by going across the top to tools > account list > Clicking edit on your specified account and in the bottom left you'll see a button that should say delete account. From here follow the onscreen steps to delete the account if you would like it to be removed.
let us know if this helps resolve the issue for you.
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