Some of the notes and pages you create might need a date or time added so that you can keep track of when you made the note. You can use OneNote’s Timestamp tools to instantly add a note containing the date or the time, or both.
Click the Insert tab.
Click a Time Stamp tool; choose either Date, Time, or Date & Time.
OneNote adds a timestamp to the page.
Tip
Change It You can edit a timestamp simply by clicking and changing the information. For example, you might need to set a different date for a project.