These updates are required for autodiscover to work properly, amongst other things. Microsoft requires about 3 page navigations before getting to the actual downloads so here are the direct links (for now).

2010 (32-bit)

http://download.microsoft.com/download/5/A/4/5A4FD8A4-C38E-4655-A741-142D44A0F909/outlookloc2010-kb2687623-fullfile-x86-glb.exe

http://download.microsoft.com/download/9/C/6/9C64D1B0-0376-4636-A539-BB00BA7F03E7/outlookloc2010-kb2553248-fullfile-x86-glb.exe

2007

http://download.microsoft.com/download/8/4/4/8448B517-BF90-421E-88F2-90728164A721/outlookloc2007-kb2596598-fullfile-x86-glb.exe

http://download.microsoft.com/download/6/0/5/6055C934-DA73-4DCD-9D4D-D4F71961CE37/outlookloc2007-kb2687404-fullfile-x86-glb.exe