How do I create a formula for Column B to add a prefix to the value in column A?

%3CLINGO-SUB%20id%3D%22lingo-sub-2065524%22%20slang%3D%22en-US%22%3EHow%20do%20I%20create%20a%20formula%20for%20Column%20B%20to%20add%20a%20prefix%20to%20the%20value%20in%20column%20A%3F%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2065524%22%20slang%3D%22en-US%22%3E%3CP%3E%3CSPAN%20class%3D%22lia-inline-image-display-wrapper%20lia-image-align-inline%22%20image-alt%3D%22HCI%20Formula%20needed.png%22%20style%3D%22width%3A%20961px%3B%22%3E%3CIMG%20src%3D%22https%3A%2F%2Ftechcommunity.microsoft.com%2Ft5%2Fimage%2Fserverpage%2Fimage-id%2F246763i6A1FA9843A118C17%2Fimage-size%2Flarge%3Fv%3D1.0%26amp%3Bpx%3D999%22%20role%3D%22button%22%20title%3D%22HCI%20Formula%20needed.png%22%20alt%3D%22HCI%20Formula%20needed.png%22%20%2F%3E%3C%2FSPAN%3E%3C%2FP%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3CP%3E%26nbsp%3B%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-LABS%20id%3D%22lingo-labs-2065524%22%20slang%3D%22en-US%22%3E%3CLINGO-LABEL%3EExcel%3C%2FLINGO-LABEL%3E%3CLINGO-LABEL%3EFormulas%20and%20Functions%3C%2FLINGO-LABEL%3E%3C%2FLINGO-LABS%3E
Occasional Visitor
1 Reply

@JoshuaEllison 

Let's say the names begin in A3.

Enter the following formula in B3:

 

="RED-"&A3

 

and fill down. If you want to be able to fill beyond the last used cell in column A, use

 

=IF(A3="","","RED-"&A3)