SharePoint: Changing the FavIcon

To change the favicon image of your SharePoint site follow the below steps:
 The default image will be located at C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\TEMPLATE\IMAGES (SharePoint 2010)
C:\Program Files\Common Files\microsoft shared\Web Server Extensions\15\TEMPLATE\IMAGES (SharePoint 2013)
  1. Upload your favicon file to your images or some library.

  2. Open your master page in SharePoint Designer .

  3. Find the <SharePoint:SPShortcutIcon> tag in the HTML header.

  4. Change the "IconUrl" tag to the relative URL of your favicon image.

  5. Save and check-in, publish and approve your master page.