That’s because

1.  There is no Enterprise edition for the Mac

2. You can’t convert an Enterprise file to. […]

Resolution for '3 party programs issue: 'QuickBooks Enterprise 13 is missing tool to convert data to mac' available: Yes.

The 3 party programs 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 3 party programs issue yourself by looking for a resolution described in the article. If it is a complex 3 party programs issue or you are unable to solve the issue, you may contact us by clicking here or by using other 3 party programs support options.

For more information about resolving issues related to 3 party programs in Quickbooks/QBO or to get support for the issue 'QuickBooks Enterprise 13 is missing tool to convert data to mac', click the link below: