Excel/Word attachments not emailing from OutLook 2000 to MAC email

I have an office with 25 Windows 2000/Outlook 2000 clients an one Macintosh user. We moved from a pop3 email enviornment to  Microsoft Exchange 2000. Prior to the move, Outlook 2000 client could send excel an word  documents to the MAC with no issues. Now the MAC recieved a file "winmail.dat", and the excel file is not attached.  I can send an excel attachment from an outside pop3 source and it comes through OK.  I have allready tried changing the format from FTF to HTML and also tried plain text settings
BrendleAsked:
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KeithMVCommented:
A couple of things to check:
1)  Check to make sure that the sender is not embedding a period into the name (i.e., naming the file anything like "myfilename.today.xls" -- the Mac drops the xls and thinks it is an unknown data file.
2) Consider winzipping all files before attaching them for compactness/speed but also to avoid the winmail.dat problem.
3)  You may need to have your administrator change the level 1 or level 2 settings so that Outlook doesn't automatically block Excel attachments from being sent (Outlook's method to controlling viruses. See some comments / solutions at http://techrepublic.com.com/5100-6270-1052323.html)

Hope these ideas help.

Keith
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Anne TroyEast Coast ManagerCommented:
Make sure no one is using Rich Text Format as their email format. This is ONLY good between Outlook users, and the winmail.dat is a classic symptom of this issue. Maybe the three Mac machines in the world can't use RTF either. :)
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