HI Friends, I want to retrive info from AD ---->the users who don`t have email id is there any script or any tool to get accurate information,I alreday users command called CSVDE inported all info from AD and i filterd it but info was not accurate. Thanks Ranga Kumar.

Create a query in ADUC to return all objects. Add the "Email Address" column to the returned results. Export this query to text file or Excel.