Garmin.com/express is a map updater software used to update the maps of the Garmin devices. These devices are widely used in the United States by many professionals to know the directions and many updates regarding navigations. One can carry this device throughout himself/herself to know the maps as well as direction for his/her destination. But to keep the Garmin navigation up to date one needs to update the Garmin device with the help of the Garmin express update tool. This tool is essential for an individual before he/she starts a journey to safely reach the destination in time. So what are the updates? and how they are done? are explained in this article. Read the article properly to understand it correctly.