I understand that you want to switch back to the old layout of QuickBooks Online, @GraceESMB.
Can you please send me a screenshot of your QuickBooks Online Home menu? This way, I'll be able to check and determine its cause and provide accurate steps to fix this.
In the meantime, I suggest performing some troubleshooting steps to get past this issue.
Sometimes, numerous cached files can cause unusual browser behavior.
Let's access QuickBooks Online through a private window.
Here are some key shortcuts for accessing a private window:
If it works, then the cause of the issue must be with your regular browser. I recommend clearing your browser's cache or using another supported browser as an alternative.
Additionally, feel free to save these resources that will help you with personalizing your QBO account to whatever you need to change:
If you have any questions or concerns regarding the QuickBooks interface or menu, please don't hesitate to ask here. I am happy to assist you further.