How to add PDF icons next to PDF documents in a SharePoint Library

By: Rob Fisch | Updated: 2010-08-19 | Comments | Related: > SharePoint Configuration

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Problem

By default, SharePoint document libraries display graphical icons representing various Microsoft Office Applications (i.e. Excel, Word, etc.). All non-Microsoft documents are represented with a plain white square. How do I display a special icon for other document types?

Solution

There are 3 simple steps to adding graphical icons for non-Microsoft documents. These are to 1) add a graphic, 2) add a mapping to that graphic so SharePoint knows where to look for it and 3) restart the web service (IIS).

Below are instructions on how to add a graphic for PDFs. You can use this technique for other document types as well.

Note: These instructions make the following assumptions:

The default location of your servers "Program Files" folder as "C:\Program Files". If that is not the case, adjust the instructions as needed.
You are using WSS3 or MOSS2007.

Create or download a small (approx. 17 x 17) icon that represents PDF documents.

Save the file to:

C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\template\images
Find a file called docicon.xml in this location:

C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\template\xml\docicon.xml

Save a copy as a backup, then open it with a text editor (i.e. notepad)
Add a new Mapping element to the "ByExtension" element as follows:

<Mapping Key="pdf" Value="pdficon_small.gif" />
Save the edited docicon.xml file.
Restart IIS (iisreset /noforce).