Deprecationbeta
Removed the contactId property from the member resource.
Why it matters: API deprecation — update before it's removed
4 removed 3 added
Removed
contactId, recipientType, routingType, membersAdded
memberId, members +1 moreRemoved the contactId property from the member resource. Added the memberId property to the member resource. Removed the recipientType property from the member resource. Removed the routingType property from the member resource. Added the type property to the member resource. Removed the members property from the distributionList resource. Added the members relationship to the distributionList resource.
How this was classified (derived by the tracker — not Microsoft's label)
- deprecation · 80% confidence · matched Graph API removal/deprecation
Removed the contactId property from the member resource
Affected: Microsoft Graph, Mail
Related changes
Change history
2026-10-16 · First captured by tracker