Don't delete your old data file until you've reviewed your new data file.If you're converting a data file because you've upgraded to the Subscription Release, you will need to make sure that the new version is installed before starting the conversion process.For more information, see How and When to Use an Intermediate Version To Convert Older Versions of Quicken. Quicken for Mac products older than 2007 are not supported for conversion  we recommend that you open a new data file in the latest version of Quicken, for stability.Quicken 2011 for Windows or newer version.Quicken for Mac 2007, 2015, 2016, and 2017 (Quicken Essentials files cannot be converted).If you've used other versions of Quicken or other tools to manage your personal finances, you can convert your existing data file to Quicken for Mac compatible files (and in some cases, vice versa).