The best way to implement this is to develop a COM Add-In that can be
installed on each PC that will create a custom toolbar button that could
automatically reply to the e-mail and insert the appropriate attachment.
You can do the same thing with macros, but those are difficult to deploy
correctly.

Signature
Eric Legault (Outlook MVP, MCDBA, MCTS: Messaging & Collaboration)
Try Picture Attachments Wizard for Outlook:
http://www.collaborativeinnovations.ca
Blog: http://blogs.officezealot.com/legault/
> Here is my problem:
>
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>
> Thanks in advance for your help.