Application

Permission ID Purpose Description
Mail.Read 810c84a8-4a9e-49e6-bf7d-12d183f40d01 Read mail in all mailboxes Allows the app to read mail in all mailboxes without a signed-in user.
Mail.ReadBasic 6be147d2-ea4f-4b5a-a3fa-3eab6f3c140a Read basic mail in all mailboxes Allows the app to read basic mail properties in all mailboxes without a signed-in user. Includes all properties except body, previewBody, attachments and any extended properties.
Mail.ReadBasic.All 693c5e45-0940-467d-9b8a-1022fb9d42ef Read basic mail in all mailboxes Allows the app to read basic mail properties in all mailboxes without a signed-in user. Includes all properties except body, previewBody, attachments and any extended properties.
Mail.ReadWrite e2a3a72e-5f79-4c64-b1b1-878b674786c9 Read and write mail in all mailboxes Allows the app to create, read, update, and delete mail in all mailboxes without a signed-in user. Does not include permission to send mail.
Mail.Send b633e1c5-b582-4048-a93e-9f11b44c7e96 Send mail as any user Allows the app to send mail as any user without a signed-in user.

Delegated

Permission ID Purpose Description
Mail.Read 570282fd-fa5c-430d-a7fd-fc8dc98a9dca Read user mail Allows the app to read the signed-in user’s mailbox.
Mail.Read.Shared 7b9103a5-4610-446b-9670-80643382c1fa Read user and shared mail Allows the app to read mail a user can access, including their own and shared mail.
Mail.ReadBasic a4b8392a-d8d1-4954-a029-8e668a39a170 Read user basic mail Allows the app to read email in the signed-in user’s mailbox except body, previewBody, attachments and any extended properties.
Mail.ReadBasic.Shared b11fa0e7-fdb7-4dc9-b1f1-59facd463480 Read user and shared basic mail Allows the app to read mail the signed-in user can access, including their own and shared mail, except for body, bodyPreview, uniqueBody, attachments, extensions, and any extended properties.
Mail.ReadWrite 024d486e-b451-40bb-833d-3e66d98c5c73 Read and write access to user mail Allows the app to create, read, update, and delete email in user mailboxes. Does not include permission to send mail.
Mail.ReadWrite.Shared 5df07973-7d5d-46ed-9847-1271055cbd51 Read and write user and shared mail Allows the app to create, read, update, and delete mail a user has permission to access, including their own and shared mail. Does not include permission to send mail.
Mail.Send e383f46e-2787-4529-855e-0e479a3ffac0 Send mail as a user Allows the app to send mail as users in the organization.
Mail.Send.Shared a367ab51-6b49-43bf-a716-a1fb06d2a174 Send mail on behalf of others Allows the app to send mail as the signed-in user, including sending on-behalf of others.