What is XLA? What Opens a XLA? File Format List from WhatIs.com

File Extension

XLA File Format

Add-in file (Microsoft Excel)

XLA is a file extension for a plug-in file used by Microsoft Excel. XLA stands for eXceL Add-in. XLA files are written using VBA (Visual Basic for Applications) and can be developed by Microsoft, third party companies, or by the user. VBA support is integrated into many Microsoft applications. XLA files can be added to Excel by selecting “Add-ins” from the Tools menu from within Excel.

MIME type: application/vnd.ms-excel [official], application/excel, application/x-excel, application/x-msexcel


Learn more about .XLA files:

Visit the Microsoft Excel web page.

Find out more about Microsoft Excel at ITKnowledgeExchange.com.

This was last updated in September 2010
Editorial Director Margaret Rouse

Ask a Question About XLAPowered by ITKnowledgeExchange.com

Get answers from your peers on your most technical challenges

Tech TalkComment

What made you want to look up XLA Add-in file (Microsoft Excel)? Please tell us where you read or heard it (including the quote, if possible).



    Contribute to the conversation

    All fields are required. Comments will appear at the bottom of the article.