How to add an icon to Windows SharePoint Services to represent Adobe PDF documents that are stored in document libraries
firstly, download adobe icons (small & large) http://www.adobe.com/misc/linking.html
- Navigate to C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\12\Template\Images
- Copy in the PDF icon. Rename it to "pdficon.gif".
- Navigate to C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\12\Template\xml
- Locate the Docicon.xml file open with an xml editor.
- Within the ByExtension tag add a new Mapping tag in alphabetical order with the following properties.
<Mapping Key="pdf" Value="pdficon.gif" />
- Save the file. The Value needs to be the same as the icon you saved in images. Your file should look something like this.