The Google Docs mobile app carries a nice feature that allows you to make files available offline, so if you lose connection to the internet, you can still access documents and edit them as before.

Watch this video to see how to download and use Google Maps with no internet. How to download offline maps Google Maps and Apple Maps let you download maps to use offline.

To download a map in Google Maps offline, open the Google Maps app on iOS or Android and tap your profile picture on the top right (you must be logged in to your Google account for this to work).