Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .xll

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .xll file?
  • Which program can create the .xll file?
  • Where can you find a description of the .xll format?
  • What can convert .xll files to a different format?
  • Which MIME-type is associated with the .xll extension?
Microsoft Excel Add-in .xll file icon

Microsoft Excel Add-in

XLL file is a Microsoft Excel Add-in.
Detailed description not available
Category: Document files
Application: Microsoft Excel
Program name: excel.exe
Mime-type: application/
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Microsoft Works Spreadsheet
Quattro Pro Spreadsheet
Microsoft Excel VBA Add-in
Microsoft Excel Toolbar
Microsoft Excel Chart File
Microsoft Excel Dialogue
Microsoft Excel XLS Backup
Microsoft Excel Macro
Microsoft Excel Worksheet

Other types of files may also use the .xll file extension. If you have helpful information about .xll extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

SAP BO Xcelsius Add-On Package Project
Microsoft Excel Worksheet
Microsoft Excel XLS Backup
List and Label Preview
Extensible Markup Language File
PowerBASIC Static Link Library
SpectraLayers Pro Layout Settings
LPEX Load Macro
Lotus 1-2-3 Worksheet Formatting Data

The .xll filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

sll (12), xlp (10), xlk (9), ll (7), xml (6), xlo (6), lxl (5), xol (4), xlm (4), dll (4), xli (3), xpl (3), all (2), xil (2), cll (1)

Can't open a .xll file?

If you want to open a .xll file on your computer, you just need to have the appropriate program installed. If the .xll association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.xll

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012, Windows 7, Windows 8, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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