There are a few ways to merge columns in Excel. One way is to use the concatenate function. To do this, type =concatenate( in the first cell of the column you want to merge, and then click and drag to select the cells you want to merge. Type a comma after the first cell, and then type the function =concatenate( again. This time, click and drag to select the cells you want to merge, and then type a closing parenthesis.

Another way to merge columns is to use the text function. To do this, type =text( in the first cell of the column you want to merge, and then click and drag to select the cells you want to merge. Type a comma after the first cell, and then type the function =text( again. This time, click and drag to select the cells you want to merge, and then type a closing parenthesis.

Yet another way to merge columns is to use the vlookup function. To do this, type =vlookup( in the first cell of the column you want to merge, and then click and drag to select the cells you want to merge. Type a comma after the first cell, and then type the function =vlookup( again. This time, click and drag to select the cells you want to merge, and then type a closing parenthesis.