Windows
Hold Alt and type 7744 on the numeric keypad.
Accents
Copy the character, or use the shortcut that matches your keyboard and app.
All M accentsHold Alt and type 7744 on the numeric keypad.
Character Viewer → m dot above
Type 1E40 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 7744, release Alt.
Use the Unicode, HTML, CSS, or JS value below in documents and stylesheets.
U+1E40ṀṀ\1E40\u{1E40}Alt + 7744