Why Import QuickBooks File in Mac to QuickBooks Desktop for Windows? Let us explore how to exchange QuickBooks files between users of machines with dissimilar operating systems and alternate solutions. This implies that such users have to know how to import QuickBooks File in Mac to QuickBooks Desktop for Windows. qbxxx) are different from those in QuickBooks Desktop for Windows (.qbw). The files used in QuickBooks Desktop for Mac (.dmg or. However, such users might have to send their QuickBooks files to an accountant or another user with a Windows machine. Intuit has customized QuickBooks Desktop for Mac for such users. Macs are becoming increasingly popular among accountants and business owners many of whom need QuickBooks Desktop installed on them. How to Import QuickBooks File in Mac to QuickBooks Desktop for Windows?