An Engineers Notebook

Get a list of all mail-enabled objects in Office 365

Run PowerShell cmdlet:

Get-Recipient -ResultSize unlimited

This list can be filtered with the -RecipientType parameter with the following switches:

  • ArbitrationMailbox

  • ConferenceRoomMailbox

  • Contact

  • DiscoveryMailbox

  • DynamicDistributionGroup

  • EquipmentMailbox

  • ExternalManagedContact

  • ExternalManagedDistributionGroup

  • LegacyMailbox

  • LinkedMailbox

  • MailboxPlan

  • MailContact

  • MailForestContact

  • MailNonUniversalGroup

  • MailUniversalDistributionGroup

  • MailUniversalSecurityGroup

  • MailUser

  • PublicFolder

  • RoleGroup

  • RoomList

  • RoomMailbox

  • SharedMailbox

  • SystemAttendantMailbox

  • SystemMailbox

  • User

  • UserMailbox

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