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The ExternalUrl element contains the URL for connecting a client to the address book server or a user's mailbox from outside the user's organization by using the MAPI/HTTP protocol.
<ExternalUrl/>
Attributes and elements
The following sections describe attributes, child elements, and parent elements.
Attributes
None.
Child elements
None.
Parent elements
| Element | Description |
|---|---|
| AddressBook (POX) |
Contains the specifications for connecting a client to the address book server by using the MAPI/HTTP protocol. |
| MailStore (POX) |
Contains the specifications for connecting a client to the user's mailbox by using the MAPI/HTTP protocol. |
Text value
The text value represents a URL that can be used to access an address book server or user's mailbox from outside the user's organization.
Remarks
The ExternalUrl element can be present in a response that has a Protocol (POX) element with a Type attribute value of "mapiHttp".
The ExternalUrl element is available to clients that implement the MAPI/HTTP protocol and target Exchange Online, Exchange Online as part of Office 365, and on-premises versions of Exchange starting with build 15.00.0847.032 (Exchange Server 2013 SP1).