Hi ‌, did you find the answer you are looking for somewhere else?
One more thing, I would love to know the reason why you need PowerShell script to start Nintex Workflow for O365.
Hope you can share, if you don't mind.

Thanks.

Hi Abdullah,

I need to start multiple workflows so I want PS to do the work, and constraint is I cannot re-save data to trigger workflow. If you can help me with triggering WF from PS