How to use Google Maps Offline :
Google Maps offline is that you will have to use it online in order to store the required data first.2. Once you've found the location you want, the easiest way to save it for later is to go to the options menu by tapping the three lines (hamburger) icon and tapping offline areas.
3. Next, tap the plus or add symbol in the bottom right of the screen and you will prompted with a message that says "download this area?"
7. Once you have downloaded the map to your device, you can access it by tapping the menu icon at the top left of the main Maps page and returning to Offline areas, where you should now see your downloaded area.
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