As mentioned (the source data assumed in B1 down), put the formula in an
adjacent cell, say C1, then copy down. Then copy col C and do a paste
special values to overwrite col B. Then delete/clear col C.
--
Rgds
Max
xl 97
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Singapore, GMT+8
xdemechanik
http://savefile.com/projects/236895
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"roy.okinawa" wrote in message
...
I might be doing something wrong.
I keep getting a circular reference when try the formula.

Here is an example of what I have. I want to put WONO in front of the
rest w/o having to type it in one at at time:

B
WONO5314RY89
5323RY90
5214RY64
5300RY67