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아웃룩을 사용하는 사용자가 아웃룩을 사용하는 수신자에게 이메일을 발송하면 winmail.dat파일이 생성되지 않고 정상적으로 송신됩니다.
하지만 아웃룩을 사용하지 않는 사용자(웹메일)에게 발송하면 첨부파일등이 winmail.dat로 합쳐 수신이 되는데
맥에서 이파일을 복원하는 앱은 아래 링크에서 무료로 다운로드 할 수 있습니다.
https://itunes.apple.com/app/tnefs-enough/id986621173?mt=12
만약 윈도우라면 아래 링크에서 winmail opener 를 다운로드하세요.
http://www.eolsoft.com/download/
winmail_opener.exe발송자에게 아웃룩 환경설정에서 (도구 > 옵션 > 메일 포멧) 에서 메시지 작성형식을 일반텍스트로 변경해달라고 요청하면 이러한 문제가 나타나지 않습니다.
Email received from a sender using Outlook includes a Winmail.dat attachment
Symptoms
You receive an email message that contains a winmail.dat attachment. This issue may occur if all of the following conditions are true:
This issue is more common when the email message is sent to you over the Internet.
- The email message is sent to you by someone using Microsoft Outlook.
- The format of the message is Rich Text format (RTF).
This issue is more common when the email message is sent to you over the Internet.
Cause
The Winmail.dat file is used to preserve Rich Text formatting. Outlook uses it when sending a Rich Text-formatted message. During transport, the content of the message may be changed, preventing the receiving client from being able to read the formatting instructions. In other cases, the receiving client does not use or recognize the winmail.dat file.
Resolution
The data in a winmail.dat file is not usable. To resolve this issue, ask the sender to re-send the message in plain text format. The following methods can be used by sender to prevent sending Rich Text messages encapsulated in the Transport Neutral Encapsulation Format (TNEF).
Method 4: Set the Outlook Rich Text Format Internet e-mail setting
Method 1: Change the default message format
The sender can change the format of the email messages that they send by using the following steps:- On the Tools menu, click Options, and then click Mail Format.
- In Compose in this message format, click to select Plain Text, and then click OK.
Method 2: Modify the recipient's entry in the Personal Address Book
The sender can use the following steps to remove the RTF format from the recipient attribute in the Personal Address Book:- On the Tools menu, click Address Book.
- In Show Names From, click the Personal Address Book.
- Select the addressee that you want to set as plain text, and then click Properties on the File menu.
- In the SMTP-General tab, click to clear the Always send to this recipient in Microsoft Exchange rich text format check box, and then click OK.
Method 3: Change the specific contact format
The sender can use the following steps to set plain text in the recipient's contact record:- Open the recipient's record in the Contacts folder.
- Double-click the recipient's e-mail address.
- In the E-Mail Properties dialog box, click Send Plain Text only under Internet Format.
Method 4: Set the Outlook Rich Text Format Internet e-mail setting
- In Outlook 2003 and Outlook 2007, click Options on the Tools menu.
- Click the Mail Format tab.
- Click Internet Format.
- Under Outlook Rich Text options, click either Convert to HTML format or Convert to Plain Text format.
More Information
For more information about TNEF, click the following article number to view the article in the Microsoft Knowledge Base:
290809 How e-mail message formats affect Internet e-mail in Outlook
For more information about Winmail.dat attachments, click the following article numbers to view the articles in the Microsoft Knowledge Base:속성
문서 ID: 278061 - 마지막 검토: 2012. 2. 18. - 수정: 1
Microsoft Office Outlook 2007, Microsoft Office Outlook 2003, Microsoft Outlook 2002 Standard Edition, Microsoft Business Productivity Online Dedicated