Hello and welcome to the Community, Admin.
In QuickBooks Online (QBO), you can view your list of expenses by category using the Expenses & Bills section or the Transaction Detail by Account report for better tracking.
Here's how to check expenses by category in the Expenses & Bills section:
- Navigate to My apps and select Expenses & Bills.
- Click Expense transactions.
- Filter the transaction type to Expense.
- Use the arrow beside Category^ to view expenses organized by category.

Alternatively, you can use the Transaction Detail by Account Report to check expenses by category:
- Click the Reports tab on the left-side of the dashboard.
- Search for Transaction Detail by Account in the search bar.
- Customize the report by applying filters for Expenses.
- Run the report to view your expenses grouped by category for detailed tracking.

This ensures a clear and organized view of your expenses.
If you have any additional questions or concerns related to QuickBooks, feel free to reply to this thread.