Expandable file folders can be used to create an organizing framework for any type of document. To avoid falling behind, file inventory sheets alphabetically or bills by due date. Keep a list of jobs that need to be completed in specific months in a tickler file. File folders sorted A–Z, 1–31, and Jan.–Dec. can be found here. SupplyApp has a great assortment of expandable file folders to help you keep your business organized.