Receiving Attachments from Mac Mail

[ascher]

My wife has a new iMac with Snow Leopeord. When she sends Microsoft Word
attachments, some recepients using Outlook recieve them with the correct file
extension (.doc or docx), and some receive them with a .dat extension. Is
there a setting in Outlook to allow the correct extension to be be maintained?

 

[Bob I]

Is she sending a Rich Text Format e-mail. That is the primary cause of
..dat issues. Change to HTML or Plain Text.

 

[Diane Poremsky [MVP]]

So your wife is sending attachments from a mac and the outlook user's are
getting them with the dat extension? What mail client is she using? What
version of Outlook do the recipients use?

There was an issue a long time ago where attachments sent from a mac and
received by outlook were not visible until the recipient hit Forward but
that was fixed in an update at least 2 yrs ago (id not longer).

--
Diane Poremsky [MVP - Outlook]

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http://forums.slipstick.com/showthread.php?t=27072

 

[VanguardLH]

My wife has a new iMac with Snow Leopeord. When she sends Microsoft Word
attachments, some recepients using Outlook recieve them with the correct file
extension (.doc or docx), and some receive them with a .dat extension. Is
there a setting in Outlook to allow the correct extension to be be maintained?

The ones receiving e-mails with .dat attachments are those that are NOT
using Outlook. TNEF format (which is one RTF spec) is a proprietary
document format from Microsoft that only their Outlook e-mail program can
understand. Not even Microsoft's Outlook Express understands RTF. That
means the only recipients of your RTF e-mails that can view them as you
composed them would be those that are also using Outlook as their e-mail
client (or those that have installed a 3rd party RTF viewer app).

The only time you use RTF is when you can guarantee the recipient also uses
Outlook, like within a corporate environment where all employees are
required to use Outlook. Since you cannot guarantee what e-mail client is
used by the recipient, compose using plain-text or HTML format.

http://support.microsoft.com/kb/290809
http://en.wikipedia.org/wiki/TNEF