<div>
Set the deny on Everyone, Anonymous and Authenticated user for modifying (write) permissions.
</div>


Set the deny on Everyone, Anonymous and Authenticated user for modifying (write) permissions.

<div>
I don't know if the above comment works. However, you could create dynamic distribution lists. These groups appear in the GAL and created on-the-fly so you can't view memberships. 
</div>


I don't know if the above comment works. However, you could create dynamic distribution lists. These groups appear in the GAL and created on-the-fly so you can't view memberships.

<div>
<a href="http://exchangepedia.com/blog/2007/11/how-to-hide-distribution-group.html" rel="ugc">http://exchangepedia.com/blog/2007/11/how-to-hide-distribution-group.html</a><br />
worked for me.
</div>


http://exchangepedia.com/blog/2007/11/how-to-hide-distribution-group.html [http://exchangepedia.com/blog/2007/11/how-to-hide-distribution-group.html]
worked for me.

<div>
<div class="content wysiwyg-content">
Hi i am using exchange 2007 sp1<br />
<br />
i want to Prevent/restrict the users from expanding the distribution list in microrost outlook.<br />
How can i do that.
</div>
</div>


Hi i am using exchange 2007 sp1

i want to Prevent/restrict the users from expanding the distribution list in microrost outlook.
How can i do that.

Exchange 2007 distribution list

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.