Bold ** ** or __ __ Command+B (Mac) or Ctrl+B (Windows/Linux) This is bold text This is bold text
Italic * * or _ _ Command+I (Mac) or Ctrl+I (Windows/Linux) This text is italicized This text is italicized
Strikethrough ~~ ~~ This was mistaken text This was mistaken text
Bold and nested italic ** ** and _ _ This text is extremely important This text is extremely important
All bold and italic *** *** All this text is important All this text is important
Subscript This is a subscript text This is a subscript text
Superscript This is a superscript text This is a superscript