You can use the search bar to search by postcode, address, place name, title number and grid reference. If you are in a standard or professional subscription you can also search by what3word unique 3 word address.
For a grid reference search there will need to be a minimum of 2 letters and 2 numbers.
Once the search is completed a red pin will be added on screen to show the location.
To remove that pin erase the search criteria in the search bar.