XML File Extension

XML file icon

XML Format

What is a XML file?

The XML file extension is linked to XML Format and belongs to the categories of Text Files, Database Files and Developer Files, which include 1747 files.

XML files are supported by Windows, Mac OS and Linux. To open a XML file, you can choose from 33 programs such as Stylus Studio, Atom and LibreOffice Calc.

MIME types

  • text/xml
  • application/xml

File Signature

HEX code: FF FE 3C 00 3F 00 78 00 6D 00 6C 00 20 00 76 00 65. ASCII code: ? x m l v e r s i o n =.

How to open a XML file?

If you cannot open a XML file, it is most often due to missing software. Select a program from the list according to your operating system. Then go to the official website of the program developer, download it, and install it on your device.

Stylus Studio, Atom and LibreOffice Calc stand out as the preferred programs to manage XML files effectively. To install the current version of Stylus Studio, go directly to the official Progress website. The universal package for all operating systems is available there.

After setup, the operating system should recognize XML files and link them with Stylus Studio.

Set Stylus Studio to open XML by default

Change default apps on Mac

  1. Right-click or use Control + Left-click on the desired XML file to access the file’s context menu;
  2. Choose "Open in Application" and click "Other";
  3. Scroll down to the bottom of the window, and there you will find the "Enable" menu. The default selection is "Recommended Programs";
  4. Choose "All Programs" within this menu and locate Stylus Studio. Check the box next to "Always open in app" to set it as the default program.

Set default programs for Windows

  1. Start by right-clicking on your XML file, then select the "Open with" option and choose "Choose another app" from the menu that appears;
  2. Find the Stylus Studio application in the pop-up window and select it as your preferred program;
  3. Select the "Always use this application" check box and click "OK" to save your selection as the default application for opening XML files.

Convert files to and from XML

For difficult XML files, try converting them to formats like PDF, CSV, MIDI, MID, XLS or similar formats to improve usability.

Be aware that converting a XML file may reduce some features, but you can usually revert it to the original format.

Offline conversion tools, like Full Convert Enterprise and SubtitleConverter.Net, provide reliable and high-quality conversion of XML files.

Convert XML to other file formats

Easy XML Troubleshooting

XML files can sometimes be tricky, but minor software adjustments usually resolve the issues. Refer to the tips below for guidance.

What are the ways to check if my XML file is damaged?

XML text files that have become corrupted may display one or more of the following symptoms:

  • The file does not respond or shows errors when opening it;
  • The file exhibits poor performance during editing operations in Stylus Studio;
  • The file stops responding or freezes in Stylus Studio or other programs;
  • Unexplained XML file size inflation;
  • Actions performed on the file result in the appearance of error notifications;

Why does Stylus Studio crash or shut down frequently?

Insufficient updates for Progress products can cause Stylus Studio to crash. Be sure to regularly install the latest software updates.

Restarting your computer is often an effective solution to resolve various common problems. Therefore, it is recommended to do so before making any changes to the software configuration.

Is there any specific software or utility that can help repair a damaged XML file?

Use a recovery program to open the damaged XML file, and in the menu, click "Repair" to start the repair operation. Wait for the recovery process to finish, allowing automatic repair of damaged text files.

How to edit a XML file?

To make changes to XML files, you need specialized software that allows both opening and editing the text files. Online XML editors offer fewer capabilities than applications optimized for XML Format.

Best XML Editor Software in 2026

Based on your described criteria, here is a list of available XML editors.

XML Editor SoftwareDeveloperPlatformsOverall Rating
Geany-Windows, Mac OS, Linux4.8 out of 5 (35 reviews)
RecordEditorSourceForgeWindows, Mac OS, Linux4.8 out of 5 (37 reviews)
Visual Studio CodeMicrosoftWindows, Mac OS, Linux4.7 out of 5 (38 reviews)
XML EditaCoxOneMac OS4.7 out of 5 (35 reviews)
Notepad++Notepad++ TeamWindows4.6 out of 5 (37 reviews)
Sublime TextSublime HQ PtyWindows, Mac OS, Linux4.6 out of 5 (39 reviews)
Source EditBrixoftWindows4.3 out of 5 (32 reviews)
oXygen XML EditorSyncRO SoftWindows, Mac OS, Linux4.2 out of 5 (36 reviews)
Stylus StudioProgressWindows4.2 out of 5 (41 review)
Atom-Windows, Mac OS, Linux4.1 out of 5 (36 reviews)