How do I find a SharePoint column’s internal name?

You find a site column’s internal name by:

  1. Open a site content type where the column is used.
  2. Click on the site column whose internal name  you want to find, in this example the “Keyword” column:
    A site content type's settings page
  3.  In the column’s page, click on the link “Edit site column”:
    Click on the "Edit site column" link
  4. The internal name is displayed in the web browser’s address bar after the query string “&Field=”:
    Find the internal name in the query string
    In the example above the site column’s internal name is: Keyword