- Winmail.dat file forwarded in with Email
- Clio Web App
Work around If using MailDrop: Be sure to copy and paste the Matter Maildrop address every time an email is forwarded. Using the saved address within Outlook appears to cause the file to change into a Winmail.dat format.
Please check out this Microsoft Support article for more information: Email received from a sender using Outlook includes a Winmail.dat attachment