How can I change certain column titles in Excel Power Query?

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You can change certain column titles in Excel Power Query by following these steps:

1. Open the Power Query Editor by clicking on the "Edit Queries" button in the Home tab of the Excel ribbon.

2. Select the table or query that you want to modify by clicking on it in the left-hand pane.

3. Find the column that you want to rename in the list of column names.

4. Right-click on the column name and select "Rename" from the context menu.

5. Type in the new name that you want for the column and press Enter.

6. Repeat this process for any other column titles that you want to change.

7. When you have finished making all of your changes, click the "Close and Load" button in the Home tab to apply the changes and return to your Excel workbook.