An email is sent from an or Apple Mail and viewed in Microsoft Outlook .
Formatting or images in the email body are converted into text files by the receiving mail client. @Att mix.txt
If you are seeing a file named something like ATT00001.txt as an email attachment, this often happens when: An email is sent from an or Apple
: Insights based on the data provided. Common Context for "ATT.txt" Files @Att mix.txt