Intuit recommends more than one solution for this problem. The first solution may solve your problem, or you may need to try all of them to resolve the issue. For best results, perform the solutions in the order shown.
Click here for instructions on downloading the latest release for QuickBooks.
This step is recommended if you use more than one version of QuickBooks to download bank transactions.
This step is recommended if you only use one version of QuickBooks to access Online Banking.
You will now be able to download the .QBO file and click Open; the .QBO file will now import into the file that is opened in the correct version of QuickBooks.