If you could tell me more about what you mean by the missing "New Sale" button, I can figure out if this is a QuickBooks view issue or not. If you mean the Sales tab or All Sales, you might be viewing QuickBooks in Business view. To view the Sales or All Sales option, follow these steps:
1. Log in to your QBO account. 2. Go to the Bookkeeping tab. 3. Select All Sales.
You can also view the Sales tab by switching to the Accountant view. I'll guide you how:
1. Go to Settings. 2. Select Switch to Accountant view.