In another post on this subject matter, Jim Harmann posted this:
here is how to delete a portfolio on investing.quicken.com:1. log in to investing.quicken.com2. on the investing home tab, click on Manage Web Portfolios and watchlists3. find the portfolio you want to delete and click on Manage portfolio at the right. This will show the details of your portfolio.4. At the top you will see Manage Web portfolio and the portfolios's name. Next to that, click on Edit name/currency5. change the portfolio name to one with no spaces, then click on Save changes6. Go back to Manage portfolios and Watchlists, you should see the renamed portfolio.7. Click on the X next to the portfolio name8. Confirm the deletion
In another post on this subject matter, Jim Harmann posted this:here is how to delete a portfolio on investing.quicken.com:1. log in to investing.quicken.com2. on the investing home tab, click on Manage Web Portfolios and watchlists3. find the portfolio you want to delete and click on Manage portfolio at the right. This will show the details of your portfolio.4. At the top you will see Manage Web portfolio and the portfolios's name. Next to that, click on Edit name/currency5. change the portfolio name to one with no spaces, then click on Save changes6. Go back to Manage portfolios and Watchlists, you should see the renamed portfolio.7. Click on the X next to the portfolio name8. Confirm the deletionAfter that is done and if you haven't done so already, please do not forget to deselect the option to update investing.quicken.com in One Step Update Settings.
OK, take a slightly different track- It used to be you could Add a new portfolio with exactly the same name and delete using red X; you still can delete, but do not return to the Manage screen, use the Delete link in the screen that created the new portfolio.