Welcome to the thread, anonymous1234.
When editing Products and Services items, the "Also update this account in historical transactions" function is only for non-inventory and service items.
On the other hand, if you're trying to edit mapping for Inventory items, then you won't be able to see this option. Since these items are considered to track on different income accounts.
To learn more about Products and Services items, check these helpful articles:
If there's anything else I can do for you concerning QuickBooks, get back to me by commenting below. I'm always around to help. Enjoy the rest of your day.
