QB Issue Resolution:

Download the 2016 trial version here, http://www.qblittlesquare.com

Download the 2016 trial version here, http://www.qblittlesquare.com

Resolution for Issue 'I installed the new MAC OS system and I can’t open the 2014 desktop version to copy my QBB into my online account' available: Yes (Solved).
Source: Intuit Community forum.

I installed the new MAC OS system and I can’t open the 2014 desktop version to copy my QBB into my online account: 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 2016 trial
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Error Recovery for 2016 trial [Canada]
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