How to Delete Duplicate Data in Excel

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This wikiHow teaches you how to remove duplicate data from a Microsoft Excel spreadsheet.

Table of Contents

Steps

Delete Duplicate Data

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Double-click the Excel document. The workbook will open in Excel.

• You can also open existing documents in the “Recent” section of the Open tab.

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Select the data group. Click the top item of the data, hold down the ⇧ Shift key, and then click the last item.

• If you want to select multiple columns, click the upper-left item and then click the lower-right item while you hold down the ⇧ Shift key.

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Click the Data tab on the left side of the green ribbon at the top of the Excel window.

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Click Remove Duplicates . The option is in the “Data Tops” section of the Data toolbar near the top of the Excel window. A window will pop up with select/deselect columns.

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You need to make sure that each column you want to edit is selected. You will see various column names (such as “Cpumn A”, “Cpumn B”) next to the check box; Click the check box to deselect the column you don’t need.

• By default, all columns next to the object you select will be listed and pre-tagged in this list.
• You can click Select All to select all columns in the list.

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Click OK . Any duplicate data will be removed from the Excel spreadsheet.

• If no duplicate data is reported when you know for sure there is, you should select each column at a time.

Mark duplicate data

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Double-click the Excel document. The worksheet will open in Excel so you can check which cells have the same value using the Conditional Formatting feature. This is the right way to go if you just need to find duplicate data and don’t want to delete these values by default.

• You can also open existing documents in the “Recent” section of the Open tab.

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Click in the upper left cell of the data group to select.

• Do not include a title (eg “Date”, “Time”, etc.) in the selection.
• If you only selected one row, click the leftmost heading of the row.
• If you only selected one column, click the heading at the top of the column.

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Hold down the ⇧ Shift key and click in the lower right cell. This will select all data between the upper left and lower right corners of the data group.

• If you select only one row, click on the rightmost cell containing the data.
• If you only selected one column, click the item containing the data at the bottom.

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Click Conditional Formatting . The option is in the “Styles” section of the Home tab. A drop-down menu will appear.

• You may need to click the Home tab at the top of the Excel window first to find this option.

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Select Highlight Cells Rules . A window will pop up.

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Click Duplicate Values at the bottom of the pop-up menu. All duplicates in the range you selected will be highlighted.

This wikiHow teaches you how to remove duplicate data from a Microsoft Excel spreadsheet.

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