Sep 23 2016 05:27 AM
Seems MSFT started rolling out Guest access for planner. I can able to assign tasks for guests. Exciting!
Feb 11 2018 08:28 PM
Feb 11 2018 10:18 PM
AFAIK, there is no ETA defined yet for Guess Access support in Planner...something unbelievable if you ask my opinion
May 07 2018 05:50 AM
The guest access was announced last Friday:
May 16 2018 05:56 AM
Here is the blog which details 'How to add guests to a Plan?' and How to connect Microsoft Planner portal as a Guest?
https://www.jijitechnologies.com/blogs/how-to-add-guests-to-microsoft-planner