Unable to open or view .eml file format in Approval Email notification

Summary: Users are adding .EML format attachments to invoices. When the approval email notification is triggered, Attachments with EML extensions have their extensions dropping off.. As a result, it is very difficult to view the attachment. Files with PDF extension seem to be fine. Can someone please answer my question? Will Oracle Fusion Support? .EML Attachments? Replicated the Issue in lower environment. We are also not able to open .EML attachments.

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