Can I link both personal and business bank accounts in QBO? I am a Sole Proprietor using QBO, I issue 1099's

Thanks for choosing QuickBooks Online for your business, @KATE1466. 

As an insight, QuickBooks is designed to track a business's income and expenses only. See this article to learn more about connecting bank and credit card accounts to QuickBooks Online. 

Additionally, you'll want to explore Quickbooks Self-Employed (QBSE) to combine with your personal finance. It is a standalone product that helps you manage personal and business transactions on a single platform.

Feel free to view this article to know more about how QBSE works: QBSE Overview.

If you need anything else, please let me know. I'm always around here to assist you more.