.dotm
Word template with macros
A Word template that can carry VBA macros along with styles and boilerplate. Word’s own Normal.dotm, the basis of every new blank document, uses this format.
Shared templates and add-ins that bring custom macros to each new document.
Opens in Word for Windows and Mac
About DOTM files.md
Markdown file
Plain text with light symbols for formatting, such as # for headings and * for emphasis. John Gruber created Markdown in 2004 with Aaron Swartz; CommonMark now specifies it precisely.
Read-me files, documentation, notes and writing for the web.
Opens in VS Code, Obsidian, Typora, GitHub, any text editor
About MD files