Click into the map you want to download from "My Maps."

Tap to download either the Visible Area or Refine the Offline Area that you wish to view while offline.

Choose the basemaps and overlays to be downloaded, then tap the "Save Offline Map" button.

A progress bar will display to show the map downloading.

When the download is complete, a confirmation message will display.

When you wish to use to app offline, tap the Offline icon. The icon will turn blue.

Save your map often while working offline by clicking the menu icon and then the "Save Map" option. This saves the changes locally to your mobile device

When you return to a strong internet connection (preferably a Wifi connection), tap the "Offline Mode" icon once more, then the "Save Map" option.

Once the changes made to the map while offline are saved, you can open and view the map on your Desktop or other mobile devices.