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This is hard to answer. When you have 2 versions of Q running on the same machine, they will unknowingly share common configuration files and step on each other's toes, so to speak. So 1999 might have problems after 2004 is installed. To be really safe, you'd want to run the conversion to 2004 in a virtual machine or on a different computer.Nathan Feiner said:Just to confirm ... If I install 2004 for the conversion, using the CTRL + SHIFT method, will I be able to continue using the 1999 version if the conversion to 2004 is not successful?
Thanks, that's good to know. I was quoting from an "official" Quicken page and taking it at its word.Redlats said:BTW Rocket, your comment about Q2004 not working on Windows 10 isn't correct. I've been running Q2004 since 2004 and running it without issue on Windows 10 for the past three or four years.
Nathan Feiner said:Hello. Is there anyone out there who has experience converting from Quicken 1999 to Quicken 2004 to Quicken 2013 to Quicken 2020 ?