FileAs
Exchange Server 2010
The FileAs element represents how a contact or distribution list is filed in the Contacts folder.
<FileAs/>
string
The FileAs element is used to sort contacts and distribution lists by a name other than a full name or company name.
The schema that describes this element is located in the EWS virtual directory of the computer that is running MicrosoftExchange Server 2007 that has the Client Access server role installed.