The **NOT **function in Excel returns a logically opposite value. In this article, you’ll learn to use this function and also discuss its application with **VBA** **Code**.

The above screenshot is an overview of the article which represents the application of the **NOT** function in Excel. To clarify, in the following sections, you’ll learn more about the uses of Excel’s **NOT **function with its basics.

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## Excel NOT Function: Syntax & Arguments

The **NOT** function reverses (*opposite of*) a **Boolean** or logical value. In simple terms, if you enter TRUE, the function returns FALSE, and vice versa.

**Function Objective:**

**NOT** **function always returns a logically opposite value**.

**Syntax:**

`=NOT(logical)`

**Argument Explanation:**

Argument | Required/Optional | Explanation |
---|---|---|

Logical | Required | A logical value that can be evaluated either TRUE or FALSE |

**Return Parameter:**

**Reversed logical value i.e. changes FALSE to TRUE, or TRUE to FALSE.**

**Version:**

The **NOT function** was introduced in **Excel 2007** and is available in all versions after that.

## 8 Examples of Using NOT Function in Excel

Now, without further delay, let’s glance at each of the examples with the appropriate illustrations and detailed explanations. As a note, we have used *Microsoft Excel 365* version, you may use any other version at your convenience.

__Example 1__: Basic Example of NOT Function in Excel

First and foremost, let’s explore the most basic example of the **NOT** function, which alters the logical values TRUE and FALSE. In the following figure, the **B5 **cell contains TRUE, the **NOT **function returns the opposite FALSE in the **C5** cell. Normally, **0** is considered FALSE in Excel, so the **NOT** function returns TRUE with **0**. In the case of any other number, the output will be FALSE.

__Example 2:__ Omitting a Certain Value

Alternatively, we can use the **NOT **function to exclude a specific cell value using the formula below.

`=NOT(B5="TV")`

For example, the **B5** cell refers to the input *TV.* Specifically, the function returns FALSE for *TV *and TRUE for all other products since we want to exclude only *TV.*

**Read More: ****How to Use TRUE Function in Excel (10 Ideal Examples)**

__Example 3:__ Obtaining Greater Than or Less Than Value

Conversely, we can also check whether a cell value is less than a specific value. In this case, we want to filter the products whose prices are less than *$200*, upon fulfilling the condition, the function outputs * TRUE*.

`=NOT(C5>200)`

For instance, the **C5 **cell indicates the *Price* of the *TV* which is *$500*.

__Example 4:__ Checking If One or More Criteria Are Met

Moreover, we can combine the **OR function** with the **NOT **function to check if one or more criteria are met, and yield TRUE or FALSE respectively. In this situation, any *Product* other than *TV *and *AC will *return TRUE.

`=NOT(OR(B5="TV",B5="AC"))`

In the above equation, the **B5** cell points to the *Product TV*.

**Formula Breakdown:**

**OR(B5=”TV”,B5=”AC”)**→ checks whether any arguments are TRUE, and returns TRUE or FALSE. Returns FALSE only if all arguments are FALSE. Here, the functions check if the text in the**B5**cell is*TV*or*AC*, if one of the conditions holds then the function returns TRUE.**Output → TRUE**

**NOT(OR(B5=”TV”,B5=”AC”)) →**becomes**NOT(TRUE) →**changes FALSE to TRUE, or TRUE to FALSE. Here, the function returns the opposite of TRUE which is FALSE.**Output → FALSE**

**Read More: ****How to Use AND and OR Functions in Excel (3 Practical Examples)**

__Example 5:__ Ensuring Both Criteria Are Met

Similarly, we can also utilize the **AND function** in conjunction with the **NOT** function to specify the condition where both criteria are met. On this occasion, we want to exclude the *Product TV* made by *Manufacturer Silo Digital*.

`=NOT(AND(B5="TV",C5="Silo Digital"))`

For example, the **B5 **and **C5** cells represent the *Product TV* and the *Manufacturer Silo Digital*.

**Formula Breakdown:**

**AND(B5=”TV”,C5=”Silo Digital”) →**checks whether all the arguments are**TRUE,**and returns**TRUE**if all the arguments are**TRUE**. Here,**B5=”TV”**is theargument, and*logical1***C5=”Silo Digital”**is theargument since both conditions are met, so the*logical2***AND function**returns the output**TRUE**.**Output → TRUE**

**NOT(AND(B5=”TV”,C5=”Silo Digital”)) →**becomes**NOT(TRUE) →**here, the function outputs the opposite of TRUE which is FALSE.**Output → FALSE**

**Read More: ****How to Use FALSE Function in Excel (7 Easy Examples)**

__Example 6:__ Constructing Logical Statements

Furthermore, we can combine the popular **IF function** with the **NOT** function to construct logical statements. Here, we want to avoid buying a *TV *or *AC, *and if the criteria hold, the result will be shown as *“Don’t buy” *(represents TRUE).

`=IF(NOT(OR((B5="TV"),(B5="AC"))),"To buy","Don't buy")`

In the above expression, the **B5** cell refers to *TV*.

**Formula Breakdown:**

**OR((B5=”TV”),(B5=”AC”)) →**checks whether any arguments are TRUE and return TRUE or FALSE. Returns FALSE only if all arguments are FALSE. Here, the functions check if the text in the**B5**cell is*TV*or*AC*, if one of the conditions holds then the function returns TRUE.**Output → TRUE**

**NOT(OR(B5=”TV”,B5=”AC”)) →**becomes**NOT(TRUE) →**changes FALSE to TRUE, or TRUE to FALSE. Here, the function returns the opposite of TRUE which is FALSE.**Output → FALSE**

**IF(NOT(OR((B5=”TV”),(B5=”AC”))),”To buy”,”Don’t buy”) →**becomes**IF(FALSE,”To buy”,”Don’t buy”) →**checks whether a condition is met and returns one value if**TRUE**and another value if**FALSE**. Here,**FALSE**is theargument because of which the*logical_test***IF function**returns the value of**“Don’t buy”**which is theargument. Otherwise, it would return*value_if_false***“To buy”**which is theargument.*value_if_true***Output → “Don’t buy”**

__Example 7:__ Checking for Blank Cell

Besides, we can utilize the **ISBLANK function** and the **NOT **function to check for blank cells and employ the **IF **function to return the result based on the prior output. For instance, the price hike of some products is shown as an *Extra Price, *in that case, the price of the product is discounted by *10%*. Here, the products without *Extra Price* are not considered.

`=IF(NOT(ISBLANK(E5)), E5*10%, "No discount")`

Specifically, the **E5 **cell indicates the *Extra Price*.

**Formula Breakdown:**

**ISBLANK(E5) →**checks whether a reference is to an empty cell, and returns**TRUE**or**FALSE**. Here,**E5**is theargument that refers to the*value***Extra Price.**Now, the**ISBLANK**function checks whether the**Extra Price**cell is blank. It returns**TRUE**if blank and**FALSE**if not blank.**Output → FALSE**

**NOT(ISBLANK(E5))****→**becomes**NOT(FALSE)****→**Here, the function flips the FALSE value to TRUE.**Output → TRUE**

**IF(NOT(ISBLANK(E5)), E5*10%, “No discount”)****→**becomes**IF(TRUE,****E5*10%, “No discount”****) →**In this case,**TRUE**is theargument because of which the*logical_test***IF function**returns**E5*10%**which is theargument. Otherwise, it would return*value_if_true***“No discount”**which is theargument.*value_if_false***100 * 10% → 10**

__Example 8:__ Applying VBA Code

Last but not least, you can apply Excel’s **NOT **function to check if a cell contains a numeric value with the **VBA **code shown below. It’s simple and easy; just follow along.

📌 ** Steps**:

- First, navigate to the
**Developer**tab >> click the**Visual Basic**button.

Now, this opens the **Visual Basic Editor** in a new window.

- Second, go to the
**Insert**tab >> select**Module**.

For your ease of reference, you can copy the code from here and paste it into the window as shown below.

```
Sub Excel_NOT_Function()
'declare a variable
Dim ws As Worksheet
Set ws = Worksheets("NOT VBA")
'apply the Excel NOT function
ws.Range("C5").Formula = "=NOT(ISNUMBER(B5))"
ws.Range("C6").Formula = "=NOT(ISNUMBER(B6))"
ws.Range("C7").Formula = "=NOT(ISNUMBER(B7))"
ws.Range("C8").Formula = "=NOT(ISNUMBER(B8))"
ws.Range("C9").Formula = "=NOT(ISNUMBER(B9))"
End Sub
```

**⚡**** Code Breakdown:**

Now, we’ll explain the **VBA** code, which is divided into two steps.

- In the first portion, the sub-routine is given a name, here it is
**Excel_NOT_Function()**. - Next, define the variable
**ws**for storing the**Worksheet object**and enter the worksheet name, here it is “*NOT VBA*”.

- In the second potion, use the
**NOT**and**ISNUMBER**functions to check if the specified**B5**,**B6**,**B7**,**B8**, and**B9**cells (*input cells*) contain numeric or text data. - Now, use the
**Range object**to return the result to the**C5**,**C6**,**C7**,**C8**, and**C9**cells (*output cells*).

- Third, close the
**VBA**window >> click the**Macros**button.

This opens the **Macros** dialog box.

- Following this, select the
**copy_and_paste_data**macro >> hit the**Run**button.

Finally, the results should look like the screenshot given below.

## Common Errors While Using the NOT Function

Error |
Occurrence |
---|---|

#VALUE! |
Occurs when the cell range is inserted as input |

## Practice Section

Here, we have provided a** Practice** section on the right side of each sheet so you can practice yourself. Please make sure to do it by yourself.

## Conclusion

To sum up, this article describes 8 examples of how to use the **NOT **function in Excel. Now, we suggest you read the full article carefully and apply the knowledge in our free practice workbook. And visit **ExcelDemy** for many more articles like this.