Yes, you’ll have to install QB 2016 first. Run the verify and rebuild utilities in your 2012 version, copy your company file to the documents folder on your ne Mac and open from there, run the verify and rebuild utilities again.
Resolution for 'Capitan issue: 'Quickbooks2016 El Capitan?' available: Yes.
The Capitan 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 Capitan issue yourself by looking for a resolution described in the article. If it is a complex Capitan issue or you are unable to solve the issue, you may contact us by clicking here or by using other Capitan support options.
For more information about resolving issues related to Capitan in Quickbooks/QBO or to get support for the issue 'Quickbooks2016 El Capitan?', click the link below: