The below methods are defined in message.xsd file but NOT in EWS WSDL. Please let me know if it is something hidden that can be enabled or is it still not implemented by Microsoft. 1. FindMailboxStatisticsByKeywordsType 2. FindMailboxStatisticsByKeywords 3. FindMailboxStatisticsByKeywordsResponse 4. FindMailboxStatisticsByKeywordsResponseMessageType message.xsd =========== <xs:complexType name="FindMailboxStatisticsByKeywordsType"> <xs:annotation> <xs:documentation> Request type for the FindMailboxStatisticsByKeywords web method. </xs:documentation> </xs:annotation> <xs:complexContent mixed="false"> <xs:extension base="m:BaseRequestType"> <xs:sequence> <xs:element minOccurs="0" name="Mailboxes" type="t:ArrayOfUserMailboxesType" /> <xs:element minOccurs="0" name="Keywords" type="t:ArrayOfStringsType" /> <xs:element minOccurs="0" name="Language" type="xs:string" /> <xs:element minOccurs="0" name="Senders" type="t:ArrayOfSmtpAddressType" /> <xs:element minOccurs="0" name="Recipients" type="t:ArrayOfSmtpAddressType" /> <xs:element minOccurs="0" name="FromDate" type="xs:dateTime" /> <xs:element minOccurs="0" name="ToDate" type="xs:dateTime" /> <xs:element minOccurs="0" name="MessageTypes" type="t:ArrayOfSearchItemKindsType" /> <xs:element minOccurs="0" name="SearchDumpster" type="xs:boolean" /> <xs:element minOccurs="0" name="IncludePersonalArchive" type="xs:boolean" /> <xs:element minOccurs="0" name="IncludeUnsearchableItems" type="xs:boolean" /> </xs:sequence> </xs:extension> </xs:complexContent> </xs:complexType> <xs:element name="FindMailboxStatisticsByKeywords" type="m:FindMailboxStatisticsByKeywordsType" /> <xs:complexType name="FindMailboxStatisticsByKeywordsResponseType"> <xs:annotation> <xs:documentation> Response type for the FindMailboxStatisticsByKeywords web method. </xs:documentation> </xs:annotation> <xs:complexContent mixed="false"> <xs:extension base="m:BaseResponseMessageType" /> </xs:complexContent> </xs:complexType> <xs:element name="FindMailboxStatisticsByKeywordsResponse" type="m:FindMailboxStatisticsByKeywordsResponseType" /> <xs:complexType name="FindMailboxStatisticsByKeywordsResponseMessageType"> <xs:annotation> <xs:documentation> Response message type for the FindMailboxStatisticsByKeywords web method. </xs:documentation> </xs:annotation> <xs:complexContent mixed="false"> <xs:extension base="m:ResponseMessageType"> <xs:sequence> <xs:element name="MailboxStatisticsSearchResult" type="t:MailboxStatisticsSearchResultType" /> </xs:sequence> </xs:extension> </xs:complexContent> </xs:complexType> Thanks and Regards, Yogesh Pant