In the Contact screen there is a File and Web Icon which is greyed out.
What do these icons do and how do we get these working?
Also if they are not required, can they be removed if wanted?
Apologies for the delayed response.
File button appears when Avatar field is added to Contacts detail view.
Web button is displayed when URL-type field is added like website, etc.
Buttons are greyed when the field's value is null or empty.
Thank you for your response, much appreciated.
Can these icons be removed if they are not required or of no use?
You can override properties of standard actions. Check out the following example showing how to remove File button from list view context menu for all modules.
Here is an example for customizing Emails button for Contacts record view toolbar:
So in your case you need to specify the following properties for File and Web buttons:
Retrieving data ...