# Excel ISREF Function

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

### Description

The Excel ISREF function used to check if a value is a valid reference. If so, returns TRUE; if the value is not a reference, the function will return FALSE. So you can use the ISREF function to check for a value that is a reference in Excel.

The ISREF function is a build-in function in Microsoft Excel and it is categorized as an Information Function.

The ISREF 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 ISREF function is as below:

`=ISREF(value)`

Where the ISREF function argument is:

• Value -This is a required argument. The value that you want to test.

### Excel ISREF Function Example

The below examples will show you how to use Excel ISREF Function to check if a value is reference. And the ISREF function will return TRUE when the cell contains a valid reference.

#1 checks whether the value B1 is a valid reference, using the following formula:

`= ISREF (B1)` ### Related Functions

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