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When I email a PDF, the file attachment appears incorrectly as Winmail.dat instead of in PDF format, or it is missing. How do I fix this?

April 26, 2017appears email file format incorrectly MISSING PDF winmail.dat

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When I email a PDF, the file attachment appears incorrectly as Winmail.dat instead of in PDF format, or it is missing. How do I fix this?

1 Answer

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The Microsoft Exchange Server settings may cause the attachment to be sent in RTF format. Client e-mail systems can receive e-mail messages that have an attachment. However, if the e-mail systems do not support RTF, the attachment cannot be separated correctly from the body of the message. Recommendation: Modify the Exchange Server settings. For more information about Microsoft Exchange Server settings, we have included three Microsoft articles from the Microsoft Knowledge Base to assist you with this. Please read all of the information below to find the correct solution for your specific environment. Article 841668 – A mail-enabled contact may receive a Winmail.dat file attachment with an SMTP e-mail message instead of receiving the correct file attachment in Exchange 2000 Server. When a Microsoft Exchange Server user sends a Simple Mail Transfer Protocol (SMTP) e-mail message with an attachment to a mail-enabled contact in the Global Address List, the mail-enabled contact may receive