When you are working with QuickBooks accounting software there exist some set of important document such as QuickBooks company file, records, transaction docs and many more whose back up are mandatory, if you are willing to transfer them via email. It’s become easy with the help of QuickBooks portable files to transfer large files through e-mail. Once these company file creation work is completed, you are unable to open and transfer your files on the new version before installing QuickBooks 2015 version on each computer. Thus in order to get rid from further disturbance, you are required to upgrade all copies of existing company files during the downtime phase. In case you are facing any trouble while maintaining .qbw file extension for this file transfer then you can refer QuickBooks Support number 1-877-227-2303. With the help of QuickBooks transferable company files it become quite easy to transfer or email your existing files in order to avoid any existing work disruption.