Remove Duplicatesdialog box

Selected columns

Copyright © 2011 by Pearson Education Inc. publishing as Prentice Hall. All rights reserved.From Skills for Success with Microsoft® Excel 2010 Comprehensive

Work with Advanced Functions and Formulas | Microsoft Excel Chapter 6 More Skills: SKILL 13 | Page 1 of 3

� Duplicate records might appear in a table or worksheet when a record is accidently enteredmultiple times. For example, a person’s name might be listed in more than one row.

� Duplicate records are removed using the Remove Duplicates tool.

To complete this document, you will need the following file:� e06_Employees

You will save your document as:� Lastname_Firstname_e06_Employees

1. Start Excel, and then open the student data file e06_Employees. Save the file in your ExcelChapter 6 folder with the name Lastname_Firstname_e06_Employees Add the file name inthe worksheet’s left footer. Return to Normal view.

2. Select cell C1, and then display the Home tab. In the Editing group, click the Sort & Filterbutton arrow and then click Sort A to Z . On the Sort Warning dialog box, verify that theExpand the selection option is selected, and then click Sort. Notice that Employee ID 66—Britt Abarca—appears twice.

3. Select cell A1, and then on the Data tab, in the Data Tools group, click Remove Duplicates.Compare your screen with Figure 1.

The Remove Duplicates dialog box displays. Here, you select the columns that mightcontain duplicate values so that you can later delete the duplicate entries.

ExcelCHAPTER 6

Figure 1

More Skills 13 Delete Duplicate Records

Copyright © 2011 by Pearson Education Inc. publishing as Prentice Hall. All rights reserved.From Skills for Success with Microsoft® Excel 2010 Comprehensive

Work with Advanced Functions and Formulas | Microsoft Excel Chapter 6 More Skills: SKILL 13 | Page 2 of 3

4. In the Remove Duplicates dialog box, click Unselect All, and then verify that the My datahas headers check box is selected.

5. Under Columns, select the Employee ID check box, and then compare your screen withFigure 2.

Figure 2

EmployeeID selected

My data hasheaders selected

6. Click OK, and then read the displayed message. Notice that 5 duplicate values were foundand removed and that 104 unique values remain, as shown in Figure 3.

Copyright © 2011 by Pearson Education Inc. publishing as Prentice Hall. All rights reserved.From Skills for Success with Microsoft® Excel 2010 Comprehensive

Work with Advanced Functions and Formulas | Microsoft Excel Chapter 6 More Skills: SKILL 13 | Page 3 of 3

Figure 3

7. Click OK, and then select cell A1. On the Data tab, in the Sort & Filter group, click Sort A to Z . Scroll down and verify that there are no duplicate Employee ID numbers.

8. Save and then Close the workbook.

9. Exit Excel. Submit your work as directed by your instructor.

� You have completed More Skills 13