QMac has been 64-bit since at least the 2015 version but may be as far back as QEM, circa 2010.
FYI, the 2007 versions and earlier are 32-bit.
P.S. and if you really want to reassure yourself, one way you can check is in the Activity Monitor (found in your Utilities folder) when Quicken is running. Look under the column "Kind" and you will see it says "64 bit".
QMac has been 64-bit since at least the 2015 version but may be as far back as QEM, circa 2010.
FYI, the 2007 versions and earlier are 32-bit.
P.S. and if you really want to reassure yourself, one way you can check is in the Activity Monitor (found in your Utilities folder) when Quicken is running. Look under the column "Kind" and you will see it says "64 bit".
On 08/20/2019 Quicken Mac sent out this email "This fall Apple will release Catalina, the new macOS. We have verified that Catalina will no longer support 32-bit apps, and this means that Quicken 2007 will not work on the next macOS update." Perhaps Intuit was sending this email to the Quicken 2007 Mac population (of which I was a member before replacing it with the 'new' company's Quicken for Mac). I believe there in lies the reason for my question. Sorry for the confusion.