You don’t have to do anything special.  When you purchase QB will open the company file you’ve created in the trial period.

Resolution for 'anything special issue: 'how to transfer the work I input during the QuickBooks for Mac 2016 trial period into permanent QuickBooks for Mac 2016 Ionce my free trial is over & I have to purchase?' available: Yes.

The anything special 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 anything special issue yourself by looking for a resolution described in the article. If it is a complex anything special issue or you are unable to solve the issue, you may contact us by clicking here or by using other anything special support options.

For more information about resolving issues related to anything special in Quickbooks/QBO or to get support for the issue 'how to transfer the work I input during the QuickBooks for Mac 2016 trial period into permanent QuickBooks for Mac 2016 Ionce my free trial is over & I have to purchase?', click the link below: