File Extension XLL

Reporter:   |   Edited: November 26, 2018

Microsoft Silver

XLL File Summary

Our most recent information indicates that XLL files are associated with only a single known file type, the Excel Add-In File format, and can be viewed with the Microsoft Excel software package (developed by Microsoft Corporation). These files can be categorized as Plugin Files.

Windows, Mac, and iOS operating systems can be used to view XLL files. Both desktop and mobile devices enable you to view and (sometimes) edit these files, depending on the software used. The main XLL file type has a Popularity Rating of "Low", meaning these files are not frequently present on your typical desktop or mobile device.

Interested to learn more about the XLL File Extension? We encourage you to view the detailed file information below to learn about the software that opens XLL files, and other troubleshooting tips.

Low
File Type Popularity
2414
Standing

/ 11690

Active

Status

26

November

2018

Edited

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Varieties of XLL Files


Principal XLL Type

.XLL
Extension:.xll
File Type:Excel Add-In File

This is a file that adds tools like extra functions and modules to Microsoft Excel. It may come with the Excel program, generated by a user or built by a 3rd party.

Organization: Microsoft Corporation
Group:Plugin Files
Key: HKEY_CLASSES_ROOT\.xll

Software Programs That Open The Excel Add-In File:


Microsoft Excel by Microsoft Corporation

Windows
Mac
iOS
Android

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XLL Requests


Browser Rankings

Chrome (58.80%)
Firefox (11.05%)
Internet Explorer (9.04%)
Edge (8.46%)
Safari (3.87%)


Understanding XLL Issues


Common Problems Opening XLL Files

Microsoft Excel is Not Installed

When trying to open your XLL file, you get the error "Can't Open XLL File Type". Usually, this is because you do not have Microsoft Excel for %%os%% installed. Your operating system cannot associate your XLL with Microsoft Excel, so double-clicking the file won't work.


Tip: When you have another program installed that you know will open your XLL, you can select it from the other programs listed (see "Show Apps").


Microsoft Excel is Out-of-Date

Your Excel Add-In File file is incompatible with Microsoft Excel because you might have the wrong version installed. If you've got the wrong version of Microsoft Excel installed, you'll need to install the correct version. This issue mainly occurs when your Excel Add-In File file was created by a newer version of Microsoft Excel than you have on your PC.


Tip: Find clues on the correct software version by right-clicking your XLL file and clicking "Properties".


Summary: In either case, the majority of problems opening XLL files are related to not having the correct software application installed on your computer.


Other XLL File Opening Causes

You can still experience errors opening XLL files even with the latest version of Microsoft Excel installed on your PC. There can be external issues inside of %%os%% that are causing these errors when opening XLLs. Problems unrelated to software:

  • File references in the Windows Registry for XLL are wrong
  • Deletion of the XLL file description from the Registry by mistake
  • Microsoft Excel or another XLL application experienced a flawed installation
  • Something has caused file corruption of your XLL
  • Malware-tainted XLL file can't be opened
  • Device drivers of the hardware associated with your XLL file are corrupt or out-of-date
  • Your computer does not have the adequate system resources to open the Excel Add-In File format

Quiz: Which of these is considered a vector image file?








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