You can export the name lists and import to another subscription of QBO

But you can not export transactions at all

The only way to have annual company files, is to have multiple subscriptions that you pay for each month

there is no back up file or archive file possible in QBO, either.  […]

Resolution for 'archive file issue: 'How to transfer stock, item, customer list, etc to a new company ? Is it possible to have company file for every year like 2017, 2018, etc ?' available: Yes.

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

For more information about resolving issues related to archive file in Quickbooks/QBO or to get support for the issue 'How to transfer stock, item, customer list, etc to a new company ? Is it possible to have company file for every year like 2017, 2018, etc ?', click the link below: