XLL File Extension
Excel Add-In Format
- File Type xll
- Developer Microsoft
- Popularity
- Application Microsoft Excel
- Category Data Files, Plugin Files
- Format Binary
What is a XLL file?
Files with the XLL extension are associated with Excel Add-In Format and are categorized as Data Files and Plugin Files, making up 6448 files.
The Excel Add-In Format (XLL), created by Microsoft, is one of file format they developed, and they also built 242 programs to support them.
XLL file support extends to various operating systems, including Windows and Mac OS. When working with XLL files, you can rely on 2 programs, including Microsoft Excel and Microsoft Office.
Programs that support XLL files
How to open a XLL file?
If you can’t open a XLL file, it is usually because the necessary software is missing. To resolve the issue, select the right program from the list for your operating system. Then go to the official website of the developer, download the software, and install it.
When it comes to opening and working with XLL files, Microsoft Excel and Microsoft Office are the top choices for users. To install the updated version of Microsoft Excel, simply go to the Microsoft site and download the installer compatible with all major platforms.
Once the process is complete, Microsoft Excel should take over as the default application for XLL files.
Set Microsoft Excel as the default XLL program
Changing Default Programs in Windows
- Right-click on your XLL file, then choose the "Open with" option and select "Choose another application" from the available options;
- In the pop-up window, select the Microsoft Excel application;
- Check the "Always use this application" checkbox, and then click "OK" to apply the selected application as the default for opening XLL files.
Change Default Program on Mac
- Right click or Control + left click on the desired XLL file;
- Select "Open in application" and click "Other";
- At the bottom of the window, you will find the "Enable" menu. Default, will be set to "Recommended Programs";
- Choose "All Programs" in this menu and search for Microsoft Excel. Check the box next to "Always open in app" to make it the default program.
Solve problems with XLL files
Rest assured, any issues with XLL files can typically be addressed with simple software adjustments. See the tips below for help.
Why does Microsoft Excel stop responding or crash intermittently?
Microsoft Excel crashes can be caused by outdated software. Keep your Microsoft products up to date by installing the latest updates.
Restarting your computer will solve many common problems, which is why it’s the first thing you should do before changing any settings related to the software.
What are the best practices for repairing a XLL file that has gone bad?
Use a data recovery program to open the damaged XLL file and from the menu choose "Repair" function to start the repair process. Allow the recovery process to complete, which will automatically repair the damaged data files.
What are the warning signs that my XLL file may be corrupted?
Common indications of damaged XLL data files are:
- Error messages appear during the course of working with the file;
- Opening the file results in an error or a failed attempt;
- Unexpected expansion of the total size of the XLL file;
- Opening the file in Microsoft Excel or other programs causes them to hang or crash;