Windows
Hold Alt and type 7745 on the numeric keypad.
Accents
Copy the character, or use the shortcut that matches your keyboard and app.
All M accentsHold Alt and type 7745 on the numeric keypad.
Character Viewer → m dot above
Type 1E41 then Alt + X
Insert → Special characters → m dot above
Click the keycap, then paste with Ctrl+V or Cmd+V.
Num Lock on, hold Alt, type 7745, release Alt.
Use the Unicode, HTML, CSS, or JS value below in documents and stylesheets.
U+1E41ṁṁ\1E41\u{1E41}Alt + 7745