This creates when a user is attempting to back up time data in ‘QuickBooks Pro Timer. This file is created when the Accountant’s copy is exported to import it to the user’s company file. This is the Accountant’s review copy (the import file) What are the Types of QuickBooks Company File Extension? Extension Name Consequently, different types of data separated by different folders. These QuickBooks company file extension explained are applicable to all files, for example, Accountant files, Loan Manager Files Payroll files or QuickBooks working files. Also, in this article, we have explained some QuickBooks backup file extension. in this particular article, we will be referring to QuickBooks extension names as used in QuickBooks Desktop. Although QuickBooks file extensions type may vary based on which version of QuickBooks you are using, be it Quickbook 2016, Quickbook Enterprise 2017, etc. In other words, each type of QuickBooks File has a unique extension. Here We elaborate information about the different QuickBooks File Extensions that you will come across on your desktop while using Quickbooks and what they are for. Thus we offer you simple self-help articles to see your business economy boost with Quickbooks. QuickBooks has been one of the most popular software in recent times owing to the ease of use it provides for keeping the accounts and managing finances of generally small and medium-sized businesses.