QuickBooks File Extensions

Each type of QuickBooks File has a unique extension. QuickBooks backup file extensions type may vary based on which version of QuickBooks you are using, be it Quickbook 2016, Quickbook Enterprise 2017 etc. in this particular article, we will be referring to QuickBooks extension names as used in QB Desktop at 1-877-263-2742.

https://www.qasolved.com/quickbooks-desktop-file-types-and-differences/

https://www.qasolved.com/print-quickbooks-paycheck-stubs-in-quickbooks-desktop/