There are several reasons why users may want to download the Microsoft Office Single Image 2010 ISO:

To understand the value of the Single Image (SI) ISO, you have to remember how software used to be sold.

You are looking for a file name usually resembling: SW_DVD5_Office_2010_W32_English_SINGLEIMAGE_MLF_X16-76292.ISO (Note: The X16 number varies based on language and service pack version).