How to: display files extensions in SharePoint Document Library

There are 2 ways to show file extensions in a SharePoint document library


Method1:

• Convert the document library List View web part to a XSLT dataview
  
• Open the document library with FrontPage,
  
• Right click and convert to DataView.
  
• Modify the XSLT to add select=”@File_x0020_Type”/>

Method2:

• Modify the display pattern in ONET.XML
• Add
• Name=”File_x0020_Type”/>
  
• Before
  
• Name=”Created_x0020_Date”>.
  

After making a change to ONET.XML you have to do IISRESET.