XL.Book.BiffVersion
-------------------

Returns BIFF version of binary file.

| Component | Version | macOS | Windows | Linux | Server | iOS SDK |
|---|---|---|---|---|---|---|
| [XL](component_XL.md) | [3.5](newinversion35.md) | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |

MBS( "XL.Book.BiffVersion"; BookRef ) 

**MBS**( **"XL.Book.BiffVersion";** /\* Returns BIFF version of binary file. \*/  
**$BookRef**) /\* The reference number for the workbook.e.g. $ref \*/ 

### Parameters

| Parameter | Description | Example |
|---|---|---|
| BookRef | The reference number for the workbook. | $ref |

### Result

Returns version or error.

### Description

Returns BIFF version of binary file.   
Used for xls format only.  
### See also

- [XL.Book.Version](XLBookVersion.md)

This function checks for a license.

Created 18th August 2014 , last changed 18th August 2014

  
[XL.Book.AddSheet](XLBookAddSheet.md) - [XL.Book.Clear](XLBookClear.md)

[HTML Version](XLBookBiffVersion.shtml)