Microsoft Outlook reminders will notify you when you have an upcoming event or task. You can choose a certain date and time when you would like to be reminded. For the latest and most accurate information regarding setting or removing Outlook reminders, please visit Microsoft's support website at https://support.office.com/en-us/article/set-or-remove-reminders-7a992377-ca93-4ddd-a711-851ef3597925.