The description of eml format expansion
The eml file is an e-mail message, which is saved and generated by Microsoft Outlook or other same-purpose mail-clients. As an addition, it may contain an attachment, - that would be a file, sent along with the message.
The EML files consist of the text ASCII format and two parts – header and body of the message. The header contains the e-mails of sender and receiver of the e-mail, subject, date and time of delivery. The body contains the structure of the e-mail itself, and may also include hyperlinks and attachments.