Hi there,
I'm so happy to hear you've joined the QuickBooks Online family! You're going to love the flexibility of a cloud-based program to run your small business. With tons of convenience features like connecting your bank and credit card accounts, creating unique invoices, and running custom reports, there's tons to learn! I'd be happy to point you in the right direction if you're new to QBO.
While we don't have an official user manual for QBO, there's a bunch of helpful resources to review that will help you learn the ins-and-outs of the program.
Take a look at our Tutorials page here: Learn QuickBooks Today. These in-depth video tutorials will help guide you through some of the most important features in QBO.
You can also search for specific how-to articles in the QuickBooks Community.
I hope this helps get you started. If you have any other questions or need further assistance, please reach out to our tech support team.
Cheers.