QB Issue Resolution:

For .QBW file, you can restore this backup copy in your QuickBooks Desktop 2018. Please follow the steps in this article: Restore a backup of your company file.

 

For .QBX file, you’ll get prompted to convert it to the latest version if you’ll restoring it from your QB Desktop 2018. From there, you can start working or converting it to QBO.

 

Please click on this link to learn more how to convert accountant’s copy to a working file.

 

You’re always welcome to post some more.

Resolution for Issue 'Acquiring new client who used QB Desktop 2018 until they contracted someone else to do their books just a few weeks ago. Now they are signing up with me, but their current bookkeeping has sent me a backup from QB Accountant Desktop 2015. Not sure if I can load this into my 2018 Desktop version or if I should try switching them to QBO. Thoughts, suggestions?' available: Yes (Solved).
Source: Intuit Community forum.

Acquiring new client who used QB Desktop 2018 until they contracted someone else to do their books just a few weeks ago. Now they are signing up with me, but their current bookkeeping has sent me a backup from QB Accountant Desktop 2015. Not sure if I can load this into my 2018 Desktop version or if I should try switching them to QBO. Thoughts, suggestions?: this 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 issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for convert
Quickbooks Repair Pro will resolve it efficiently and affordably. Guaranteed resolution of your issue, or you pay nothing!

Error Recovery for convert [Canada]
E-Tech is the #1 Quickbooks data migration and Conversion service provider.

Get 50% off Quickbooks Online

Click Here for 50% off!

Additional Support Options: