OL2010-64bit.reg

Save the text below into a file with a .reg extension and then click on it to update your registry settings. REGEDIT4

[HKEY_CLASSES_ROOT\outlook] "URL Protocol"="" @="URL:Outlook Folders"

[HKEY_CLASSES_ROOT\outlook\DefaultIcon] @="C:\\Program Files(x86)\\Microsoft Office\\Office14\\1033\\outllibr.dll,-9403"

[HKEY_CLASSES_ROOT\outlook\shell] @="open"

[HKEY_CLASSES_ROOT\outlook\shell\open] @=""

[HKEY_CLASSES_ROOT\outlook\shell\open\command] @="\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\OUTLOOK.EXE\" /select \"%1\""