Is there a manual/guide on how to use all features?

Hi Chantelle, 

Thanks for your post, our Community help articles cover all areas of QuickBooks Online and contain many step-by-step guides and video tutorials from getting started to preparing year-end accounts. 

You can also check out our YouTube channel linked here for further helpful video content.

You can also get back to us here if you can't find the answer you're looking for there!