A Winmail file is a proprietary e-mail attachment format created by Microsoft Outlook. It usually has a .winmail or .att extension and accommodates the e-mail message and any attachments in a single compressed file. Winmail recordsdata aren’t suitable with different e-mail shoppers and may seem as unreadable textual content or an attachment with an unknown format.
Winmail recordsdata have been launched within the early days of e-mail to beat limitations in the way in which e-mail messages have been dealt with. On the time, e-mail techniques weren’t standardized, and totally different shoppers used totally different strategies to format and encode messages. Winmail recordsdata offered a manner to make sure that messages despatched from Outlook can be suitable with different e-mail shoppers, even when these shoppers didn’t help the identical formatting choices.