IrfanView is a small, efficient, yet powerful utility used to view and manage image files. It supports various image formats, which Windows may not support natively. For example, IrfanView supports gifs and ico file types. For more information about IrfanView, please visit: IrfanView Website
Lets say we have 5 tif image files that we need to convert to a single multi-page file for email or whatever other reason you may have. This process is very simple.