Thank you for raising your concern to us, @MC-TMI.
I acknowledged the time you've spent troubleshooting on your end, and I appreciate you for taking the initiative to get this done. Let's work together to resolve this issue, MC-TMI. I have another workaround for you. Let's try to pull up the hidden files and folders.
Here's how:
On the other hand, let's also try using Windows.
Here's how:
Additionally, you can also search for the missing company file or cannot be found.
Furthermore, you can utilize this article that will help you regarding your missing company files: Can't open your company file in QuickBooks Desktop.
If the issue persists, I highly recommend you contact our support team. They have the necessary tools and equipment to review your accounts securely.
Please do not hesitate to reply to this post if you still have questions regarding your missing files. I'd be happy to assist you!