This is a files folder.

Open this to access additional software and documents that you can copy to a local disk.

This icon’s name is bold when it contains relatively new items.

This is a mail folder.

You can put items from your mail and create additional folders within this item.

This icon’s name is bold when it contains relatively new items.

This is a conference folder. 

Open this to read and post to additional public message threads.

This icon’s name is bold when it contains relatively new items.