It should have been =NETWORKDAYS(C14+2,D14+2)

--
HTH

Bob Phillips

(remove xxx from email address if mailing direct)

wrote in message
oups.com...
hello Tom,

Thanks a lot. If I quote your formula I receive 3 working days but if I
quote your modified formila such as : =NETWORKDAYS(C14-5,D14-5) I
received a good result.
try with start date March 18 and end date March 29
Regards,
Patrick