Mark certain cells

  • Thread starter Thread starter frederico roldao
  • Start date Start date
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frederico roldao

I have a sheet with 3 columns.

On column "A" I have 1000 email addresses, on column "B" I have 200 email
addresses.

On column "C" I want to have a formula that will mark the cell if the
address on the adjacent cell (in column B) also exists somewhere in column A.

How do I go about this?
 
In C1 enter:
=IF(COUNTIF(A:A,B1)>0,"a","") and set the font to Marlett

Then copy down
 
Hi,

=IF(COUNTIF($A$1:$A$1000,B1)>0,"Duplicate","")

Drag down to the length of column B

Mike
 
I'm sorry, I didn't explain myself properly!

I mean to have a mark on column C on the rows where in column A there is a
value that is also in column B (anywhere on column B, not necessarily side by
side)
 
actually the formula that worked was =IF(COUNTIF(B:B;A1)>0;"y";""), which is
a bit different from what was advised, but the advice served as a starting
point, so, thanks!
 
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