Open XLL file - The best software for opening .xll files

XLL files: what are they and how do I open them?

Are you facing difficulties opening unknown files on your computer, or wondering exactly what this file is?
We've got the information and best software solutions for opening these files effortlessly.

Microsoft Excel add-in

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

Further details:

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/vnd.ms-excel
application/x-excel
application/x-msexcel

Open file with:

Microsoft Excel

A popular spreadsheet application distributed with Microsoft Office suite

Microsoft Excel for Mac

A popular spreadsheet application from the Microsoft Office suite

What is the meaning of a file extension?

File extensions are characters that appear after the dot in a computer file's name. For example, the file "unknown-file.xll" has the file extension "xll". This is used to identify which program should open the file or what file type it is.
File extensions help you organize and manage files. They provide a quick and easy way to identify and associate the file type with the appropriate software.

We can help you open your file

In our database, we have collected a huge number of different file extensions, detailed descriptions, and programs that can be used to open or otherwise work with the file extensions listed in our database.
This database is an invaluable resource for users who want to understand better file extensions and what they can do with them. It also allows users to know different file types with the same purpose.

Only verified software links are provided

We have verified every software listed in our database. The software listed in our database includes links to the developer's or software's website. These links should allow you to download the right program for each file type. Using verified software from reputable sources helps minimize the risk of malware and viruses infecting your computer.