Found this
It would appear that Word is looking for your Custom.dic in a different
> profile. Have you changed the name of your profile? Clearly, if Word is
> looking for Custom.dic in C:\Documents and Settings\DYork\Application
> Data\Microsoft\Proof and it actually resides in C:\Documents and
> Settings\Donny\Application Data\Microsoft\Proof, then it's not going to find
> it. I should think you might be able to change the path using Tools |
> Options | Spelling and Grammar: Custom Dictionaries... You may have to
> remove the one with the incorrect path and add the one with the new path
search on
THIS site with custom dictionary not available in the discussion groups
Max