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## How do I sum both columns and rows in Excel?

If you need to sum a column or row of numbers, let Excel do the math for you. Select a cell next to the numbers you want to sum, **click AutoSum on the Home tab**, press Enter, and you’re done. When you click AutoSum, Excel automatically enters a formula (that uses the SUM function) to sum the numbers. Here’s an example.

## What is the total number of rows and columns in Excel?

Worksheet and workbook specifications and limits

Feature | Maximum limit |
---|---|

Total number of rows and columns on a worksheet | 1,048,576 rows by 16,384 columns |

Column width | 255 characters |

Row height | 409 points |

Page breaks | 1,026 horizontal and vertical |

## How do you add up cells in Excel?

**AutoSum** makes it easy to add adjacent cells in rows and columns. Click the cell below a column of adjacent cells or to the right of a row of adjacent cells. Then, on the HOME tab, click AutoSum, and press Enter. Excel adds all of the cells in the column or row.

## What is the formula for sum in Excel?

The SUM function adds values. You can add individual values, cell references or ranges or a mix of all three. For example: =SUM(**A2:A10**) Adds the values in cells A2:10.

## How do you sum only certain cells in Excel?

Just select an empty cell directly below a column of data. Then on the **Formula tab, click AutoSum > Sum**. Excel will automatically sense the range to be summed. (AutoSum can also work horizontally if you select an empty cell to the right of the cells to be summed.)