How to Tell if an Invoice Has Been Emailed in QuickBooks. If you need to determine whether you previously sent a specific invoice to a certain customer, you don't have to rely on your memory.

How to Void an Invoice in QuickBooks. Whether two users created invoices on a single customer account, you inadvertently added an invoice to the wrong account or another mistake led to an invoice ...

Want to Learn QuickBooks for Free? These 11 Places Will Make You a Money Expert Because there’s more to accounting than simple addition and subtraction.