Files with xll file extension can be typically found as add-ins for Microsoft Excel spreadsheet editor. Used to add new functions to Excel.

Detailed description

Software that open xll file

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XLL file extension - Microsoft Excel add-in

What is xll file? How to open xll files?

File type specification:

Plugin, addon file type icon Plugin, addon file type

Microsoft Office file type icon Microsoft Office file type

xll file icon: xll filetype icon

The xll file extension is mainly associated with Microsoft Excel, one of the most popular and powerful tool you can use to create format spreadsheets, graphs and much more.

The .xla file represents Microsoft Excel add-in, a file that Excel can load when it starts up to add new functionality. The file contains code (dynamic link in case of .xll Add-In) that adds additional functionality to Excel, usually in the form of new functions.

Microsoft Excel add-in files more usually have the .xla file extension.

MIME types used:

  • application/excel
  • application/
  • application/x-excel
  • application/x-msexcel

The default software associated to open xll file:

Microsoft Excel icon

Microsoft Corporation logoMicrosoft Excel  Microsoft Windows software

Company or developer:
Microsoft Corporation

A popular spreadsheet application distributed with Microsoft Office suite, Excel is offers calculating, contains graphing tools, pivot tables and own programming language based on Visual Basic.

Excel supports charts, graphs or histograms generated from specified groups of cells. Excel also can change data between other Microsoft Office applications. It is available for Microsoft Windows, Mac OS X (macOS) and various mobile platforms.

Microsoft Excel for Mac icon

Microsoft Corporation logoMicrosoft Excel for Mac  Apple macOS / Mac OS X software

Company or developer:
Microsoft Corporation

Microsoft Excel for Mac is popular spreadsheet application used to analyze, organize and manage data and lists. It is able to create visually rich datasheets and tables with icons, data bars and color scales. Microsoft Excel for Mac is fully compatible with Microsoft Excel for Windows.

Related articles:

How to install and manage Excel add-ins

Help how to open:

You can import the *.xll files into Microsoft Excel to add new functions.

How to convert:

Add-ins usually cannot be converted to anything else.

List of software applications associated to the .xll file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open xll file, edit xll file, convert xll file, view xll file, play xll file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting xll files.

Software that open xll file - Microsoft Excel add-in

Programs supporting the exension xll on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open xll file action.

Microsoft Windows:

Apple macOS / Mac OS X:

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