To apply bold formatting
Select the text that you want to format.
Press Ctrl+B.
You can also press Ctrl+B, type the text that you want to format in bold, and then press Ctrl+B when you are finished.
To apply italic formatting
Select the text that you want to format.
Press Ctrl+I.
You can also press Ctrl+I, type the text that you want to format in italic, and then press Ctrl+I when you are finished.
To underline text
Select the text that you want to underline.
Press Ctrl+U.
You can also press Ctrl+U, type the text that you want underlined, and then press Ctrl+U when you are finished.