Hi again,
Am Wed, 22 May 2013 20:58:39 +0200 schrieb Claus Busch:
> =IF(COUNTIF($H$1:$H$36,A1)=0,SUBSTITUTE(A1,", ",","),A1)
if there are only 6 names to remove the space it is easier to write this
6 names in column H and then:
=IF(COUNTIF($H$1:$H$6,A1)>0,SUBSTITUTE(A1,", ",","),A1)