filename.md

title	description	ms.date	ms.localizationpriority
FileName element in the manifest file	Specifies the file name of the equivalent XLL for custom functions in your web add-in.	03/09/2021	medium

FileName element

Specifies the file name of the equivalent XLL for custom functions in your web add-in.

Add-in type: Custom function

Syntax

    <FileName>string</FileName>  

Contained in

• EquivalentAddin

See also

• Make your custom functions compatible with XLL user-defined functions
• Make your Office Add-in compatible with an existing COM add-in