You can only convert a QBA to a QBW from within Accountant version of desktop. Regular user program won’t
Resolution for 'accountants file issue: 'Convert Accountants File' available: Yes.
The accountants file 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 accountants file issue yourself by looking for a resolution described in the article. If it is a complex accountants file issue or you are unable to solve the issue, you may contact us by clicking here or by using other accountants file support options.
For more information about resolving issues related to accountants file in Quickbooks/QBO or to get support for the issue 'Convert Accountants File', click the link below: