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incoming attachment saved as winmail.dat regardless of how it was sent

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On one of our machines, any attachment coming in is converted to winmail.dat. If someone sends attachments to me and the other machine, I get the attachmentas it was sent (.xls, .doc, and so on) while the other machine receives a winmail.dat file. Don't know why this is happening.

On one of our machines, any attachment coming in is converted to winmail.dat. If someone sends attachments to me and the other machine, I get the attachmentas it was sent (.xls, .doc, and so on) while the other machine receives a winmail.dat file. Don't know why this is happening.

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Does the "happy" computer have an add-on such as LookOut! installed, which could be automatically decoding winmail.dat files?

Can you not persuade your correspondents to set their email client up to use HTML rather than proprietary Microsoft encoding?

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