I managed to do what I wanted when I also used the HEX2DEC function as well (the values are hex values), but thanks for the suggestion. The formula I ended up with looks like this: =IF(HEX2DEC(D2)>25;IF(HEX2DEC(D2)<127;CHAR(HEX2DEC(D2));"");"")
Not pretty, but it works...

Stig