There are several different types of files required to run QuickBooks and each of them can be differentiated by the type of extension they have. Looking at the extension of a file you can get an overview of it functions and its use in QuickBooks. If QuickBooks file extensions are puzzling you and you want to learn more about them, then don’t hesitate and dial QuickBooks Desktop support number 844-932-1139 and get all your queries answered by certified QuickBooks Desktop experts.