It’s nice to see you again, @sandcbrow. I can assure you’ll be able to map transactions from Square to QuickBooks Online.
To categorize transactions by class, you'll need to activate class tracking. Here’s how:
You can also utilize this link for more information about class tracking within QuickBooks Online.
To learn more about sync with Square, you can refer to these articles:
Post here anytime if you have other program concerns or additional questions about QuickBooks and Square. Stay cool!