Hey CData Community 
If you are managing lots of tasks in Microsoft Planner and find the manual entry process cumbersome, you will definitely want to check out this workflow. With the CData Excel Add-In for Microsoft Planner, you can bulk-import, update and manage Planner tasks right from Excel — no exports, no manual copy/paste, no complex flows. Check the link below to get a quick overview of what’s possible and how to get started.
Link: https://www.cdata.com/kb/articles/planner-exceladdin-bulk-import.rst