=DATE(C1,B1,A1)

HTH
--
AP

"Gerald" a écrit dans le message de news:
...
I have a excel sheet with the dates in 3 different cells, e.g. 21/05/2006,
appears like
cell a1 21, cel b1 05 and cell c1 2006

tried merging the cells but did not work, need to have this date in one
cell

any help will be appreciated

thanks