Unable to Right Click Outlook 2003

If for some reason your “Right Click” is not working on  Outlook, you  might be having a corrupted cache specifically the “Frmcache.dat” . If that is the case you need to locate the cache and delete it and log off or restart the computer

Location of the cache:
The Frmcache.dat is Located in C:\Documents and Settings\<username>\Application Data\Microsoft\Forms\

Delete or rename it and  log off or restart your computer