Winmail dat iphone 11

The infamous "winmail.dat" file!

The "winmail.dat" file is a Windows-specific attachment that can cause issues when trying to open or view it on a non-Windows device, such as an iPhone. Here's what's happening:

When you receive an email with a "winmail.dat" attachment on your iPhone, it's likely because the email was sent from a Windows-based email client, such as Microsoft Outlook, using a proprietary format called "TNEF" (Transport Neutral Encapsulation Format). This format is used to encapsulate Microsoft Office documents, such as Word, Excel, and PowerPoint files, in a single attachment.

The problem is that the "winmail.dat" file is not a standard file format that can be easily opened or viewed on a non-Windows device, including iPhones. When you try to open the attachment, you might see an error message or a generic icon, indicating that the file is not recognized.

To resolve this issue, you can try the following:

  1. Ask the sender to resend the email in a standard format: Request that the sender resend the email with the attachment in a standard format, such as PDF or a Microsoft Office file (e.g.,.docx,.xlsx,.pptx).
  2. Use a third-party email client: If you're using the built-in Mail app on your iPhone, try using a third-party email client like Microsoft Outlook or Spark Mail, which might be able to handle the "winmail.dat" attachment better.
  3. Use a file converter: You can use a file converter app, such as File Converter or Convert Any File, to convert the "winmail.dat" file to a more compatible format, like PDF or a Microsoft Office file.
  4. Contact the sender's IT department: If the sender is a large organization, they might have specific email settings or configurations that are causing the issue. You can ask their IT department to investigate and resolve the issue.

Remember that the "winmail.dat" file is a Windows-specific attachment, and it's not a standard file format that can be easily opened or viewed on non-Windows devices.