Other than printing a statement, which will include both invoicces, there is no way t merge invoices other than by opening each in its own window or tab, and cut or copy/paste data from one to the other and then delete th eone you don’t need.
Resolution for 'both invoicces issue: 'how do I merge two open invoices for the same company into one?' available: Yes.
The both invoicces 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 both invoicces issue yourself by looking for a resolution described in the article. If it is a complex both invoicces issue or you are unable to solve the issue, you may contact us by clicking here or by using other both invoicces support options.
For more information about resolving issues related to both invoicces in Quickbooks/QBO or to get support for the issue 'how do I merge two open invoices for the same company into one?', click the link below: