Amazon WorkMail
Administrator Guide (Version 1.0)

Unsupported Attachment Types

You can send messages with attachments through Amazon WorkMail by using the Multipurpose Internet Mail Extensions (MIME) standard. Amazon WorkMail accepts all file attachment types except for attachments with the file extensions in the following list.


Some ISPs have further limitations (such as archived attachments), so we recommend sending a test email through major ISPs before you send your production email.

The following attachment types aren't supported:

Unsupported Attachment Types