Yes, it's the .msf files that are rebuilt by the button "Rebuild Index"
You can only do them one at a time, but you dont have to unless there is
a problem. If it isnt broke, then don't fix it, you don't need the
"Rebuild Index" unlesss there is a problem
>Also, is there a way to
> rebuild the indices of all newsgroups within an account at the same
> time, or do you have to rebuild one at a time? Thanks.
Already a bug has been filed to support this .