When you are preparing to file your taxes, be sure to know how to use a business expense spreadsheet for taxes. This document will help you keep track of all your business expenses so that you can see if the ones you think you have deducted correctly are really deductions. By using this document, you will be able to make sure that everything you do is in line with the deductions you are entitled to and at the same time, you will be able to save time on doing it yourself.