An article on our support site explains exactly how to do this. If you are using a QuickBooks for Windows version that is earlier than 2009, you can still open your file in QuickBooks for Mac. So if you have QuickBooks for Mac 2015, you can convert your file from QuickBooks for Windows 2017, 2014, and 2015. versions of QuickBooks Simple Start, Pro, Premier, and Premier Accountant Edition for the same year as your version of QuickBooks for Mac or the two previous years. You can convert any company file to a Mac version from a U.S. So you’re probably wondering if you can convert your QuickBooks for Windows company file into QuickBooks for Mac. So you’re switching from QuickBooks for Windows to QuickBooks for Mac.