To Open Word in the same IE Browser window

Sharepoint Tips : How To Open Word in the same IE browser windows(and other office files)
• Launch Windows Explorer.
• Tools > Folder Options and click on the File Types tab.
• goto “Registered File types“ and find “DOC - Microsoft Word Document 97-2003“ extenstion and select it.
• Click “Advanced...“ button at the bottom of the dialog.
• Check the “Browse in same window“ checkbox.
  IE will prompt for whether you want to open or save the file, if you choose to open then the document is opened in IE and not in Word. To avoid this dialog box you should uncheck "Confirm open after download". Now the file will be automatically downloaded in your browser and will display in the same browser window.