The TurboTax tax data files which have a file extension of .taxyyyy where yyyy is the tax year can be opened by any of the TurboTax personal desktop editions for the tax year of the data file, Windows or Mac.
To transfer the 2022 TurboTax data to a new 2023 tax return using the TurboTax 2023 desktop editions you will need to copy the 2022 tax data file from the Mac to the Windows computer. The 2022 tax data file will have a file extension of .tax2022 and will be in the TurboTax folder of the Documents directory.
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