Welcome to the QuickBooks Online community family! It's important to me that you can access every feature we offer so you can make the best out of your business. Whether you're using the app or accessing your account through a browser, the Account and Settings option is available for you to personalize your books. I'll be happy to assist you with this.
A good starting point would be to ensure there are no bugs in the software due to a browser issue. To ensure your app or browser is running the program as designed, I recommend following the troubleshooting steps in this article: Clear cache and cookies to fix issues when using QuickBooks Online