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Shared mailboxes and delegations

Creates a shared mailbox, grants or removes delegated access.

Required permission :Shared mailbox / Delegation

Create a shared mailbox

Creates the mailbox in Exchange Online.

Where to find it : Tenant → shared mailboxes tab → “New shared mailbox” button

Fields to fill in

FieldDescriptionExampleRequired
Display nameVisible name of the shared mailbox.Technical supportYes
Address (SMTP)Primary email address of the mailbox.support@client.comYes
AliasTechnical alias of the mailbox. Reuses the local part of the address if left blank.supportNo

Checkboxes and options

No checkbox for this action.

Good to know

  • Creation goes through Exchange Online and can take a few seconds to appear.

Delegate access to a mailbox

Grants delegated access to an existing shared or user mailbox.

Where to find it : Tenant → delegations tab → “New delegation” button

Fields to fill in

FieldDescriptionExampleRequired
MailboxThe mailbox the delegation applies to.support@client.comYes
DelegateThe user who receives access.julie.marsh@client.comYes

Checkboxes and options

OptionDescription
Full AccessOpens the mailbox as if it were their own.
Send AsAllows sending messages using the mailbox’s address.

Good to know

  • At least one of the two checkboxes must be checked.

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