You don't add a category. You can add more expenses to the existing categories. If you don't see a category that fits then use Other Miscellaneous Expenses. It is the 16th item under Expenses.
Go to Business tab- then Continue
Choose Jump to Full List -or I'll choose what I work on
Then…..
Business Income and Expenses - Click the Start or Update button
Then click EDIT by the business name and the next screen should be a list of topics,
Business Profile, Income, Inventory/Cost of Goods Sold, Expenses, Assets, and Final Details last.
Under Business Expenses, Click Start or Update by Other common business expenses
You should see the list of expenses and amounts you entered.
Then click the start or update button by the expense you want to add or edit.
Advertising is the 1st item under Expenses - Click the Start or Update button
Business Travel is the 2nd item under Expenses - Click the Start or Update button
Commissions is the 3rd item under Expenses (it also includes Fees) - Click the Start or Update button
Communications is the 4th item under Expenses - Click the Start or Update button
Contract Labor is the 5th item under Expenses - Click the Start or Update button
If you paid any one person $600 or more for the year you need to give them a 1099Misc.
Insurance Payments is the 6th item under Expenses - Click the Start or Update button
Interest Payments is the 7th item under Expenses - Click the Start or Update button
Legal and Professional fees is the 8th item under Expenses - Click the Start or Update button
Meals and Entertainment is the 9th item under Expenses - Click the Start or Update button
Office Expenses is the 10th item under Expenses - Click the Start or Update button
Rental Expenses is the 11th item under Expenses - Click the Start or Update button
Repairs and Maintenance is the 12th item under Expenses - Click the Start or Update button
Supplies is the 13th item under Expenses - Click the Start or Update button
Taxes and Licenses is the 14th item under Expenses - Click the Start or Update button
Utilities (but not for home office) is the 15th item under Expenses - Click the Start or Update button
Other Miscellaneous Expenses is the 16th item under Expenses - Click the Start or Update button