ADVANCED Tab has disappeared under Account and Settings (Under the gear button) Only COMPANY and BILLING&SUBSCRIPTION are visible Already cleared my cache. Not working

Joining you here to share details about the Advanced tab, hakan.

I also appreciate letting us know of the steps that you tried to resolve the issue. I know how crucial it is to get it and other tabs back in your company settings.

Before it happened, did you change the language settings in your account? If so, our engineers are working on an investigation about the missing Advanced tab in the Account and settings page after performing the action.

We also need to add you to the list of affected users. This will help us send you an email as soon as the issue is resolved. To do that, you'll want to get in touch with our Customer Care Team. Here's how to connect with us: 

1. Click the Help icon on the top right corner of the screen.
2. On the pop-up panel, go to the Search tab.
3. Click the Contact Us button.
4. Enter a brief description of your concern in the description box.
5. Proceed with Continue, then choose Chat or Callback.
6. You may provide this investigation number to our representative for a faster transaction: INV-83244.

Please know that you can always tag me in your follow-up questions about this matter. The entire QuickBooks Team is also here all the time in case you have other questions for us.