Thanks for letting us know about what you're going through, Haven. We'll ensure you can access the left navigation menu and resume recording your financial data in QuickBooks Online (QBO).
You have the option to hide or display the left navigation menu in QBO. If it disappears accidentally, you can make it reappear by clicking the three lines and arrow icon at the top left of the screen, next to your company name. Please see the screenshot below for your reference.
![80.PNG 80.PNG](https://quickbooks.intuit.com/learn-support/image/serverpage/image-id/97285iF5237E0E4586E935/image-size/large?v=v2&px=999)
To learn more about the navigation menu in QBO, please see this article: Understand the QuickBooks Online menu.
Also, you can customize QuickBooks to suit your preferences. If you need to adjust settings and activate features, refer to this article for guidance: Edit company settings in QuickBooks Online.
Please let us know in the comments if you have other concerns about the left navigation menu in QBO. We'll get back to you right away to assist you further.