About map files
MapPoint files can contain a wide variety of information, such as routes with driving directions, drawings, and pushpins.
When you save a map file, this information is saved along with the map. When you open a map file, any information associated with the map is displayed as it was when the map was last saved or using the default map settings you specified in the Options dialog box. For more information, see Save custom map settings and reuse them when the map reopens.
You can also create templates so that you can customize maps based on your preferences and needs. If you regularly create multiple maps that have the same settings, map templates can save you time. For example, if you normally create routes with your home address as the starting point, you can create a map template that already has your home address designated as the starting point on a route.