The AND function in Excel is a logical function that returns TRUE if all of its arguments are TRUE, and FALSE if at least one of them is FALSE. It’s like a digital gate that only opens when all the switches are on.

## Syntax

**AND(logical1, [logical2], …)**

## Arguments

logical1: | The first condition or expression that you want to test. |

[logical2]: | (Optional) Additional conditions or expressions that you want to test. You can include up to 255 of these. |

## How to Use

The AND function is quite straightforward. It takes one or more logical expressions and checks if they are all TRUE. If they are, it returns TRUE; otherwise, it returns FALSE. Let’s look at some examples to understand better:

**Example 1:** Checking if two conditions are met:

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=AND(A1 > 5, B1 < 10) |

This formula returns TRUE only if the value in cell A1 is greater than 5 *and* the value in cell B1 is less than 10.

**Example 2:** Using more than two conditions:

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=AND(C1 = "Yes", D1 = "OK", E1 < 100) |

This formula returns TRUE only if all three conditions are met simultaneously: C1 contains “Yes,” D1 contains “OK,” and the value in cell E1 is less than 100.

**Example 3:** Combining with other functions:

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=IF(AND(X1 > 0, Y1 < 5), "Valid", "Not Valid") |

Here, the AND function is used within an IF function to determine whether two conditions are met. If both conditions are TRUE, it returns “Valid”; otherwise, it returns “Not Valid.”

Remember that the AND function requires all conditions to be TRUE to return TRUE. If any of the conditions are FALSE, it returns FALSE.