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Add the values in a column or row by using a button. You can use AutoSum to quickly sum a range of numbers in a column or row. Click an empty cell below a column of numbers or to the right of a row of numbers, and then click AutoSum. Excel selects what it determines to be the most likely range of data.
How to combine columns in Excel. 1  Select the columns you want to merge in Excel worksheet. 2  Click the Merge Cells Wizard icon. 3  Click on the down arrow next to the Merge selected cells field and select row by row from the drop-down list.ow to merge multiple Excel cells into one. 1  In your Excel worksheet, select the text cells you want to combine into one cell. 2  In the Merge selected cells field, select in one cell. 3  Choose the necessary separator. 4  In the Place the results to field, select the location for the results: 5  The top-left corner.