How to link Microsoft 365 project to Microsoft planner?

Dear respected NA,

Thank you for posting to Microsoft Community. We are happy to assist you.

We are looking into your situation, we will update the thread shortly.

Appreciate your patience and understanding and thank you for your time and cooperation.

Sincerely,

Mia

Dear respected user,

Welcome to Microsoft Community and we are glad to offer support for you.

Based on the description, it seems you would like to link the Microsoft Project to Microsoft Planner. Please let me know if I made any misunderstanding.

In this situation, I would like to suggest you to refer to the following blog: Microsoft Planner: Linking Plans to a Project task - Microsoft Community Hub

Appreciate your patience and understanding and thank you for your time and cooperation.

Sincerely,
Mia | Microsoft Moderator
 

NA_123LO --

This feature only works with enterprise projects that are saved in either Project Online or Project Server. It does not work with desktop-only projects that are saved as MPP files. Hope this helps.