To start saving what3words addresses you need to create an account. Your saved locations will be available across all your devices. The first time you save, you’ll be prompted to create an account or sign in.
In the free what3words app
To save a what3words address in the app, simply follow these steps.
Using the online map at what3words.com
To save a what3words address on the online map, select the square you wish to save then click ‘Save’ in the address bar, look for the star icon.
You can then select to save to ‘Favourites’ or to one of your lists.