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How to edit legend entries in excel?
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Edit Legend Entries in Excel
1. Open a spreadsheet, and click the chart you want to edit.
2. Click the Design or Chart Design tab.
3. Click Select Data on the toolbar.
4. Select a legend entry, and click Edit.
5. Enter a new name into the Series Name or Name box.
6. Enter a new value into the Y values box.
7. Click OK.