# Excel Left Function

This post will guide you how to use** Excel LEFT function** with syntax and examples in Microsoft excel.

**Description**

The Excel LEFT function returns a substring (a specified number of the characters) from a text string, starting from the leftmost character.

The LEFT function is a build-in function in Microsoft Excel and it is categorized as a Text Function.

The LEFT function is available in Excel 2016, Excel 2013, Excel 2010, Excel 2007, Excel 2003, Excel XP, Excel 2000, Excel 2011 for Mac.

**Syntax**

The syntax of the LEFT function is as below:

**= LEFT(text,[num_chars])**

**Where** the LEFT function arguments are:**Text** -This is a required argument. The text string that you want to extract from.**num_chars**-This is an optional argument. It will specify the number of characters that you want to extract from Text string.

Note:** **The **Num_chars** value must be greater than or equal to zero. If Num_chars is greather that the length of text string, it will return all of text string. If Num_chars value is omitted, it is set to be 1 by default.

**Example**

The below examples will show you how to use Excel LEFT Text function to extract the leftmost substring from a text string.

**#1** To extract the leftmost 4 characters in the B1 cell, just using formula: **=LEFT(B1,4).**

### More LEFT Function Examples

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