GRAPHML File Extension

GraphML Format

File Type graphml
Developer The GraphML Team
Popularity
4.6 (45 votes)
Application yEd
Category Developer Files, Graphics Files
Format XML

What is a GRAPHML file?

GraphML Format works with the GRAPHML file extension and is classified under Developer Files and Graphics Files, with a total of 1722 files.

GRAPHML file support extends to various operating systems, including Windows, Linux and Mac OS. You can open a GRAPHML file using one of 4 programs, for example yEd, Gephi and NodeXL Excel Template.

Windows

Mac OS

Linux

How to open a GRAPHML file?

The most common reason why a GRAPHML file cannot be opened is the absence of required software. To fix this, select a compatible program from the list. Then visit the official developer website via the provided link, download the program, and install it on your system.

Thanks to their popularity, yEd, Gephi and NodeXL Excel Template are often the go-to programs for managing GRAPHML files. To install the updated version of yEd, simply go to the yWorks site and download the installer compatible with all major platforms.

After setup, the operating system should recognize GRAPHML files and link them with yEd.

Set yEd to open GRAPHML by default

Change default apps on Mac

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

Change a default app in Windows

Start the process by right-clicking on your GRAPHML file and selecting "Open With". From there, click "Choose another app" to continue;
Find the yEd application in the pop-up window and select it as your preferred program;
Select the "Always use this application" check box and click "OK" to save your selection as the default application for opening GRAPHML files.

Easy GRAPHML Troubleshooting

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

Why does yEd stop responding or crash intermittently?

Lack of regular software updates can cause yEd to crash. Make sure you have installed the latest updates for yWorks products.

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.

What are the best practices for repairing a GRAPHML file that has gone bad?

Start a recovery program, open the damaged GRAPHML file and then select the "Repair" menu item to start the repair procedure. Please wait patiently for the recovery process to finish as it will automatically repair the damaged developer files.

How can I confirm if my GRAPHML file has been damaged?

Characteristics of corrupted GRAPHML developer files can include:

Editing the archive in yEd is hampered by poor overall performance;
Trying to work with the archive in yEd or other programs causes instability or program crashes;
The file does not open correctly or displays error messages;
An unexplained increase in the size of the GRAPHML file;
The file operation is accompanied by the display of error messages;

How to edit a GRAPHML file?

To modify GRAPHML files, you need to install special software that makes it possible to open and edit developer files. Online GRAPHML editors are more restricted compared to software designed for GraphML Format.

Best GRAPHML editors 2026

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

GRAPHML Editor Software	Developer	Platforms	Overall Rating
yEd	yWorks	Windows, Mac OS, Linux	4.9 out of 5 (46 reviews)
NodeXL Excel Template	-	Windows	4.2 out of 5 (47 reviews)
Gephi	Gephi	Windows	4.1 out of 5 (43 reviews)

Convert files to and from GRAPHML

If obstacles arise while working with a GRAPHML file, you may convert it to formats like JPG, PNG, PDF, SVG or other similar types for smoother handling.

After converting a GRAPHML file, some capabilities may be limited, but you can often convert it back to the original format.