Just downloaded deluxe. get error this on launch: Turbotax cannot be opened because of a problem. Process: TurboTax 2017 [1304] OS Version: Mac OS X 10.10.5 (14F2511)

[DoninGA]

The TurboTax software for tax year 2017 only supports Mac OS X v10.11 or later (64-bit required)

See this TurboTax support FAQ for the Mac minimum system requirements - https://ttlc.intuit.com/questions/1899173-minimum-system-requirements-for-turbotax-mac-software

Go to this website to request a refund of the software purchase - https://support.turbotax.intuit.com/forms/refund-request.jsp

If you do not want to or can update your OS then you can use the TurboTax online editions - https://turbotax.intuit.com/personal-taxes/online/

[MX5Bob]

So, Intuit screws Mac users again. They keep trying to get me to go back to Quicken, which I ditched several years ago because of an update that was three steps backward.

[willandharry]

totally agree