How does Excel compare two columns of strings to see if they are the same?

  In an Excel worksheet, how to compare whether two columns of strings are the same?

  There is an Excel file as shown below, in which there are two columns of data to be compared: column B and column C. It is necessary to compare in turn whether each cell string in the two columns is the same. This can be EXACTdone using the formula.

  The specific operation steps are:

1. Select cell D1 with the mouse, edit the formula =EXACT(B1,C1)and press Enter;
2. Select cell D1 with the mouse, and move the cursor to the lower right corner of cell D1. When the cursor turns into a cross, click the left button of the mouse and drag the mouse to other cells (or double-click the left button of the mouse), then the columns B and C All strings are compared and the result is shown in the figure below.