Need more details.
Try this
=if(a1="","",vlookup(a1,tabletolookup,columnno,tru e/false))
Hope this is what you are after.
best wishes
Sreedhar


"terb" wrote:

need to use an IF function to test whether the value in a cell is equal to an
empty text string "", if so, display an empty txt string, otherwise, use the
cell in a list table/ specify an exact match