Showing file extensions is a Windows option and not an Outlook options.
Control Panel-> Folder Options-> tab View
--
Robert Sparnaaij [MVP-Outlook]
Coauthor, Configuring Microsoft Outlook 2003
http://www.howto-outlook.com/
Outlook FAQ, HowTo, Downloads, Add-Ins and more
http://www.msoutlook.info/
Real World Questions, Real World Answers
-----
"Raymond" <(E-Mail Removed)> wrote in message
news:80903AF2-E941-49C7-9E82-(E-Mail Removed)...
> The file extension is automatically omitted when I try to save it. I am
> using the Outlook 2007 as the email client for Exchange Server 2003.
> When I click on an attachment named ABC.PDF, and click Save As. The File
> Name under the Save Attachment dialog box is showing ABC. I can manaully
> add
> the .pdf at the end of the file name but I like to find out what causes
> the
> extension disappear??
> I noticed this behavious last week. I had been working fine before.
> Thanks for you input...
>
>