@laurie49 

You may open a new blank QBO account

https://quickbooks.grsm.io/Australia

then you may have some options to consider:

1. Find and install a trial license of Quicken 2014 or later to upgrade your file.

2. Prepare your data in XLS and utilize an importer tool

https://transactionpro.grsm.io/qbo

3. Purchase a 3rd party conversion service.