Resolved (12/21/2015) – Our engineers have resolved the issue. If you are still experiencing this issue, please contact our Online Support team for further assistance. Thank you for your patience. 

We are currently investigating an issue that prevents your desktop company data being moved to the online version of QuickBooks. […]

Resolution for '1260819 issue: 'Why am I unable to move my desktop company file to the online version of QuickBooks? I get stuck on the screen that says ‘Making a copy of your company file’.' available: Yes.

The 1260819 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 1260819 issue yourself by looking for a resolution described in the article. If it is a complex 1260819 issue or you are unable to solve the issue, you may contact us by clicking here or by using other 1260819 support options.

For more information about resolving issues related to 1260819 in Quickbooks/QBO or to get support for the issue 'Why am I unable to move my desktop company file to the online version of QuickBooks? I get stuck on the screen that says ‘Making a copy of your company file’.', click the link below: