Tasks Permissions for Microsoft Graph

Application

Permission	ID	Purpose	Description
Tasks.Read.All	f10e1f91-74ed-437f-a6fd-d6ae88e26c1f	Read all users’ tasks and tasklist	Allows the app to read all users’ tasks and task lists in your organization, without a signed-in user.
Tasks.ReadWrite.All	44e666d1-d276-445b-a5fc-8815eeb81d55	Read and write all users’ tasks and tasklists	Allows the app to create, read, update and delete all users’ tasks and task lists in your organization, without a signed-in user

Delegated

Permission	ID	Purpose	Description
Tasks.Read	f45671fb-e0fe-4b4b-be20-3d3ce43f1bcb	Read user’s tasks and task lists	Allows the app to read the signed-in user’s tasks and task lists, including any shared with the user. Doesn’t include permission to create, delete, or update anything.
Tasks.Read.Shared	88d21fd4-8e5a-4c32-b5e2-4a1c95f34f72	Read user and shared tasks	Allows the app to read tasks a user has permissions to access, including their own and shared tasks.
Tasks.ReadWrite	2219042f-cab5-40cc-b0d2-16b1540b4c5f	Create, read, update, and delete user’s tasks and task lists	Allows the app to create, read, update, and delete the signed-in user’s tasks and task lists, including any shared with the user.
Tasks.ReadWrite.Shared	c5ddf11b-c114-4886-8558-8a4e557cd52b	Read and write user and shared tasks	Allows the app to create, read, update, and delete tasks a user has permissions to, including their own and shared tasks.