Tony Redmond on Mythryl: “Kind of an esoteric topic, but of interest to some. The Graph…”

Kind of an esoteric topic, but of interest to some. The Graph mailbox API doesn't support group mailboxes... investigated here: office365itpros.com/2026/09/09/g... #Microsoft365

office365itpros.comNo Group Mailbox Support in Graph APIA reader asked why the Outlook Mail Graph API doesn't support access to group mailboxes. The basic reason is that a group mailbox doesn't have an account.

9/9/26, 8:37 am1 repost2 likes

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