Mac Settings and Configuration

My attachments sent to Mac users from Outlook turn into winmail.dat files. Why can't they open them?

This is due to Outlook decrypting the file in RTF format. To avoid this issue you may change your Outlook settings by following these instructions:

  1. Open up your Outlook email client.
  2. Click on File located in the upper toolbar.
  3. Select the Options setting.
  4. From here, select the Mail category.
  5. Now, under Compose messages, you want to ensure the HTML or Plain Text option is...
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