Flag Email Messages to Get Reminders to Follow Up

Flags in Outlook are colorful reminders you can add to email messages that require action for followup. Outlook offers several options for setting flags to complement the way you work.

flagged messages in Outlook

Flagged items will turn red as a visual reminder, and you can also set a flag to give you a popup reminder. They also appear in the To-Do Bar, where you can easily see what actions you need to take each day.

This brief video shows you how easy it is to flag email messages in Outlook 2007.  And here's info on setting flags in Outlook 2003.