XAMLX File Extension

XAMLX Document Format

File Type xamlx
Developer Microsoft
Popularity
4.8 (34 votes)
Application Sublime Text
Category Developer Files
Format XML

What is a XAMLX file?

Files with the XAMLX extension are specifically tied to XAMLX Document Format, a Developer Files type, and there are 1166 files in this category.

Microsoft, the developer of the XAMLX Document Format (XAMLX), has released file format and 242 programs designed to handle them.

XAMLX files are compatible with various operating systems, including Windows, Linux and Mac OS. There are 4 programs available to open a XAMLX file, including popular tools like Microsoft Visual Studio, Sublime Text and Atom.

Windows

Mac OS

Linux

How to open a XAMLX file?

If you are having trouble opening a XAMLX file, it usually means the right software is not installed. Choose a program from the list that matches your operating system. Next, visit the official website of the developer, download the software, and install it on your device.

Microsoft Visual Studio, Sublime Text and Atom are among the most widely used programs for handling XAMLX files. To set up the newest version of Sublime Text on your device, simply go to the official Sublime HQ Pty website. There you can download the edition compatible with every operating system.

Once setup is done, your operating system should assign Sublime Text as the default app for XAMLX files.

Set Sublime Text as the default XAMLX program

Change Default Program on Mac

Right click or Control + left click on the desired XAMLX file;
Choose "Open in Application" and click "Other";
Scroll down to the bottom of the window, where you will find the "Enable" menu. Default, "Recommended Programs" will be selected;
In this menu, choose "All Programs" and navigate to Sublime Text. Check the box next to "Always open in app" to make it the default program.

Change default programs in Windows

To get started, right-click your XAMLX file, then choose "Open With" and select "Choose Another Application" from the context menu;
In the pop-up window, select the Sublime Text application;
Check the "Always use this application" checkbox, and then click "OK" to apply the selected application as the default for opening XAMLX files.

Solve problems with XAMLX files

If you encounter issues with XAMLX files, don’t worry—most can be fixed with minor software adjustments. Refer to the troubleshooting tips below.

What are the steps to repair a damaged XAMLX file?

Start a data recovery program and open the damaged XAMLX file. Then, choose the "Repair" option from the menu. Please wait patiently for the recovery process to finish as it will automatically repair the damaged developer files.

How can I determine if my XAMLX file is damaged?

The signs of corrupted XAMLX developer files can manifest as:

Trying to work with the archive in Sublime Text or other programs causes instability or program crashes;
Error notifications appear during file manipulation;
The file does not open correctly or displays error messages;
An unexplained increase in the size of the XAMLX file;
The file shows slow performance when edited in Microsoft Visual Studio;

What are the reasons behind Sublime Text crash?

Insufficient software updates are a likely cause of Sublime Text crashes. Be sure to install the latest updates for Sublime HQ Pty products.

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.

How to edit a XAMLX file?

To modify XAMLX files, it is necessary to install dedicated software that lets you open and edit developer files. Online XAMLX editors generally offer fewer tools compared to programs designed for XAMLX Document Format.

Best XAMLX editors 2026

Following these criteria, we have put together a list of recommended XAMLX editors.

XAMLX Editor Software	Developer	Platforms	Overall Rating
Sublime Text	Sublime HQ Pty	Windows, Mac OS, Linux	4.6 out of 5 (39 reviews)
Microsoft Visual Studio	Microsoft	Windows, Mac OS, Linux	4.2 out of 5 (35 reviews)
Atom	-	Windows, Mac OS, Linux	4.1 out of 5 (36 reviews)