Hi, all I have used webDAV to create a new contact to public folder/Contact. I have tried with the query: <?xml version="1.0"?><g:propertyupdate xmlns:g="DAV:" xmlns:c="urn:schemas:contacts:" xmlns:e="http://schemas.microsoft.com/exchange/" xmlns:x="xml:" xmlns:cal="urn:schemas:calendar:" xmlns:mail="urn:schemas:httpmail:"> <g:set><g:prop> <g:contentclass>urn:content-classes:person</g:contentclass> <e:outlookmessageclass>IPM.Contact</e:outlookmessageclass> <c:givenName>Santa0</c:givenName> <c:middlename>Clause0</c:middlename> <c:sn>Unknow0</c:sn> <c:fileas>Test_0</c:fileas> </g:prop> </g:set> </g:propertyupdate> it works pretty good. However when I want to create Email Field. I add <c:email1>santa@northpole.com</c:email1> or <c:email1></c:email1> or <c:email1>"santa" </c:email1> or It returns 400 error. when I do search a contact it displays: <c:email1>"test@test.com" </email1> why I can not set email1 property. Thanks in advanced