QuickBooks, by Intuit, helps you manage invoicing, cash flow, payroll, sales, and reporting needs of businesses. QuickBooks also has tools to track income, and expenses, reconcile bank accounts and credit cards, send estimates, inventory management, payroll, and more. Mastering QuickBooks can help save money at tax time as well by making the financial data easily accessible for your bookkeeper or CPA. Quickbooks is offered as a desktop version that installs on your computer or as an online version that is accessible from any device. Whichever version you are using, you can come up to speed quickly with classes at ONLC and even prepare for Quickbooks Certification.