No, you can’t do that. You may be able to convert Quicken 2017 to QB 2018.  Quicken isn’t owned by Intuit anymore, so not sure if the conversion will continue to work.

Resolution for 'convert Quicken 2017 issue: 'I have Quick Books 2007 desktop. Can I convert 2017 Quicken data to Quick Books 2007?' available: Yes.

The convert Quicken 2017 issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the convert Quicken 2017 issue yourself by looking for a resolution described in the article. If it is a complex convert Quicken 2017 issue or you are unable to solve the issue, you may contact us by clicking here or by using other convert Quicken 2017 support options.

For more information about resolving issues related to convert Quicken 2017 in Quickbooks/QBO or to get support for the issue 'I have Quick Books 2007 desktop. Can I convert 2017 Quicken data to Quick Books 2007?', click the link below: