Allow me to walk you through adding an expense category in QuickBooks Online (QBO).
To do so, you'll need to create a new account in the Chart of Accounts.
Here's how:
On the left navigation panel, hover on Transactions.
Select Chart of Accounts.
Click the +New button.
Pick Expenses on the Account Type dropdown.
Enter a name to track your expense account in the Name field. For example, "Safety Supplies". You could also add a description if you wish.
Hit Save and Close.
I've added a screenshot below for your reference.
The Detail Type dropdown contains preset choices on the costs associated with the account. For the best guidance in choosing the proper detail type, I recommend consulting an accountant. This will ensure your books and records are accurate. If you don't have one, you can use our accountant tool to locate a nearby professional.
If you need further assistance or have any more questions about adding a new account in QuickBooks, please feel free to get in touch with us. Our team is here and eager to provide support whenever you need it.