On the File menu, point to New, and then click Note.
Keyboard shortcut To create a note, press Ctrl+Shift+N.
Type the text of the note.
To close the note, click the note icon in the upper-left corner of the Note window, and then click Close. Closing the note also saves it.
Note: You can leave the note open while you work. When you change the note, the changes are saved automatically.
Tip: Make it easier to organize, find, sort, or identify notes by assigning color categories to them. If a note pertains to another item in Outlook, such as a contact, an e-mail message, or a calendar item, you can quickly connect them all by color category type and color.