MSGMicrosoft Outlook Email Format
MSG is a file format used by Microsoft Outlook and Exchange to store email messages, contact, appointment, or other tasks. Such messages may contain one or more email fields, with the sender, recipient, subject, date, and message body, or contact information, appointment particulars, and one or more task specifications. The properties that constitute the Message object, including are also a part of the MSG file.
DOTXWord Open XML Document Template
Files with DOTX extension are template files created by Microsoft Word to have pre-formatted settings for generation of further DOCX files. A template file is created in order to have specific user settings that should be applied to subsequent flies created from these. These settings include page margins, borders, headers, footers, and other page settings. Such templates are used in official documents such as company letterheads and standardized forms.