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.
To save a what3words address on the online map at what3words.com, select the square you wish to save then click the star icon in the side dashboard. If you don’t see the dashboard, click the three dots at the side of your screen to open it.