How does Excel find duplicate data in two worksheets?

1. For this tutorial, two tables are created in the Yunqi community. The data is shown in the following figure. You can also try to create a table in this way to make it easier to learn.

 

2. now, we use the Sheet3 worksheet to find records with the same name in Sheet4 worksheet. because we enter the following "= if (B2 =") "in the corresponding column of the Sheet3 worksheet, as shown in the red box below.

3. Now we can switch directly to the sheet 4 worksheet in excel, select the name area in the box shown in the following figure, and press enter.

4. Now return to the sheet3 worksheet and complete the formula "= if (B2 = Sheet4! B2: B24, "Yes", "no") ", as shown in the following figure.

5. Move the cursor to the bottom right corner of the cell. When the mouse turns into a black cross, drag the cursor to copy the formula. Then we can compare the data and find the duplicate data.