To Add new folder/unread mail folder to the Favorite Folders list In MS Outlook 2007

Right click on the Search folders, New Search Folder..

Select Unread Mail from the list, click OK.

Move the Unread Mail to the favorite folder list.

Excel: Unable to open files by double-clicking

Cannot open excel file directly
Suddenly can't open Excel files from "My Computer/My Docum.
Excel: Unable to open files by double-clicking

Open the excel application go to

Tools|Options|General|Ignore other applications (uncheck it)