XLA File Extension
Excel Add-In Format
- File Type xla
- Developer Microsoft
- Popularity
- Application Microsoft Excel
- Category Developer Files, Plugin Files, Data Files
- Format Binary
What is a XLA file?
Files with the XLA extension are associated with Excel Add-In Format and are categorized as Developer Files, Plugin Files and Data Files, making up 7614 files.
The Excel Add-In Format (XLA), created by Microsoft, is one of file format they developed, and they also built 242 programs to support them.
XLA file support extends to various operating systems, including Windows, Mac OS and Linux. When working with XLA files, you can rely on 3 programs, including Microsoft Excel, Microsoft Visual Studio and Microsoft Office.
MIME types
- application/x-msexcel
- application/vnd.ms-excel
- application/excel
- application/x-excel
Programs that support XLA files
How to open a XLA file?
If you can’t open a XLA 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 XLA files, Microsoft Excel, Microsoft Visual Studio 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 XLA files.
Set Microsoft Excel as the default XLA program
Changing Default Programs in Windows
- Right-click on your XLA 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 XLA files.
Change Default Program on Mac
- Right click or Control + left click on the desired XLA 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 XLA files
Rest assured, any issues with XLA 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 XLA file that has gone bad?
Use a data recovery program to open the damaged XLA 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 developer files.
What are the warning signs that my XLA file may be corrupted?
Common indications of damaged XLA developer files are:
- Error messages appear during the course of working with the file;
- Editing the archive in Microsoft Visual Studio results in slow or unresponsive behavior;
- Opening the file results in an error or a failed attempt;
- Unexpected expansion of the total size of the XLA file;
- Opening the file in Microsoft Excel or other programs causes them to hang or crash;
How to edit a XLA file?
To edit XLA files, it is essential to install software that supports not only viewing but also editing the developer files. Online XLA editors provide limited functionality compared to full-featured software for Excel Add-In Format.
List of Top XLA editors 2026
Based on the criteria above, here is a selection of XLA editors you can use.
| XLA Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Microsoft Visual Studio | Microsoft | Windows, Mac OS, Linux | 4.2 out of 5 (35 reviews) |
Convert to and from XLA
If obstacles arise while working with a XLA file, you may convert it to formats like X or other similar types for smoother handling.
Keep in mind that converting a XLA file may introduce some limitations, but the original format can often be restored.