.DGML File Recovery

Have files been deleted due to a user’s error or software error? Have you formatted a disk by accident and need to know how to recover the files? Read our .DGML file recovery guide for Windows, MacOS, Android and IOS in 2023.

DGML File Recovery

What is a .DGML file?

Developer file created by Visual Studio, a software development application; saves a directed graph, also called a dependency graph, which shows a visual layout of how source code components depend on one another.

What Are Common Causes of ".DGML" Files Lost or Failure?

There can be several common causes of ".DGML" files being lost or experiencing failure. Some of these causes include:

  1. Accidental deletion: The most common cause is accidental deletion by the user. If a user mistakenly deletes the ".DGML" file, it will be lost unless a backup is available.
  2. Software or hardware issues: Issues with the software or hardware on which the ".DGML" file is stored can lead to file loss or failure. This can include software crashes, system errors, or hardware failures.
  3. File corruption: ".DGML" files can become corrupted due to various reasons such as improper shutdown of the software, malware or virus infections, or issues during the file saving process. Corrupted files may not be accessible or may not function properly.
  4. File system errors: Errors in the file system, such as disk errors or bad sectors on the storage device, can result in the loss or failure of ".DGML" files. These errors can prevent the file from being accessed or cause data loss.
  5. Incompatible software or version mismatch: If the software used to create or open ".DGML" files is not compatible with the file format or if there is a version mismatch, it can lead to failure or loss of the files.
  6. Human error: Human error, such as mistakenly renaming or moving the ".DGML" file to a different location, can result in file loss or failure.
  7. Hardware or storage device failure: If the storage device where the ".DGML" file is stored fails or becomes inaccessible, it can lead to the loss or failure of the file.

It is always recommended to regularly backup important files, including ".DGML" files, to minimize the risk of data loss.

How to recover lost ".DGML" files?

Sometimes while working with a computer, laptop or other stationary or mobile devices, you may encounter various bugs, freezes, hardware or software failures, even in spite of regular updates and junk cleaning. As a result, an important ".DGML" file may be deleted.

Go to view
🧺 How to Recover Files and Folders After Sending Them to the Recycle Bin and Deleting? (Windows 11)

🧺 How to Recover Files and Folders After Sending Them to the Recycle Bin and Deleting? (Windows 11)

By no means should you think that the only way to recover a ".DGML" file is always to create it once more.

Use programs for recovering ".DGML" files if a file was lost after accidental or deliberate deleting, formatting the memory card or the internal storage, cleaning the storage device, after a virus attack or a system failure.

Programs to recover ".DGML" files

Looking for a way to get files back? In cases when files were deleted and they cannot be restored by using standard operating system tools, use Hetman Partition Recovery.

The tool recovers data from any devices, regardless of the cause of data loss.

Follow the directions below:

  1. Download Hetman Partition Recovery, install and start the program.

  2. The program will automatically scan the computer and display all hard disks and removable drives connected to it, as well as physical and local disks.

    File Recovery Software
  3. Double-click on the disk from which you need to recover ".DGML" files, and select analysis type.

    Hetman Partition Recovery - Analysis Type
  4. When the scanning is over, you will be shown the files for recovery.

    Hetman Partition Recovery - Files that Can be Restored
  5. To find a file you need, use the program’s interface to open the folder it was deleted from, or go to the folder "Content-Aware Analysis" and select the required file type.

    Hetman Partition Recovery - Deep Scan
  6. Select the files you have been looking for and click "Recovery".

    File Recovery Software - Files List for Recovery
  7. Choose one of the methods for saving the files and recover them.

    Saving recovered files in Hetman Partition Recovery

How to open file with ".DGML" extension?

Looking for how to open a stereo visual Studio Directed Graph Document image file file?

Programs that open ".DGML" files

Microsoft Visual Studio 2019 Microsoft Visual Studio 2019

Additional Information

  • File type: Visual Studio Directed Graph Document

  • File extension: .DGML

  • Developer: Microsoft

  • Category: Developer Files

  • Format: XML

  • HEX: EF BB BF 3C 3F 78 6D 6C 20 76 65 72 73 69 6F 6E 3D

  • ASCII: <?xml version=


We will be happy to answer your questions!

Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 11:44 #
    Leave a comment if you have any questions about Recovering lost .DGML files after deleting, cleaning or formatting!
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Vladimir Artiukh

Author: Vladimir Artiukh, Technical Writer

Vladimir Artiukh is a technical writer for Hetman Software, as well as the voice and face of their English-speaking YouTube channel, Hetman Software: Data Recovery for Windows. He handles tutorials, how-tos, and detailed reviews on how the company’s tools work with all kinds of data storage devices.

Oleg Afonin

Editor: Oleg Afonin, Technical Writer

Oleg Afonin is an expert in mobile forensics, data recovery and computer systems. He often attends large data security conferences, and writes several blogs for such resources as xaker.ru, Elcomsoft and Habr. In addition to his online activities, Oleg’s articles are also published in professional magazines. Also, Oleg Afonin is the co-author of a well-known book, Mobile Forensics - Advanced Investigative Strategies.


Questions and answers

  • What is a .DGML file format and what is its purpose?

    The .DGML file format stands for Directed Graph Markup Language. It is an XML-based file format used for representing directed graphs, which are graphical representations of relationships between objects or entities.

    The purpose of the .DGML file format is to provide a standardized way to store and exchange directed graph data. It allows users to define nodes (entities) and edges (relationships) between them, along with various properties and visual attributes.

    .DGML files are commonly used in software development and modeling tools, such as Microsoft Visual Studio, to visualize and analyze complex relationships in code, databases, or other systems. They can help developers understand code dependencies, visualize software architecture, track data flows, or analyze complex networks.

    The .DGML format provides a flexible and extensible structure to represent directed graphs, making it easier to manipulate and analyze the data programmatically. It also supports visual styling and layout options to enhance the readability and clarity of the graph representation.

  • How can I open a .DGML file and view its contents?

    To open and view the contents of a .DGML file, you can follow these steps:

    1. Install Visual Studio: .DGML files are associated with Microsoft Visual Studio, so you need to have it installed on your computer. You can download and install the latest version of Visual Studio from the official Microsoft website.
    2. Launch Visual Studio: Once installed, launch Visual Studio by clicking on its icon in the Start menu or by searching for it.
    3. Open .DGML File: In Visual Studio, go to the "File" menu and select "Open" and then "File..." (or use the shortcut Ctrl+O). Alternatively, you can directly drag and drop the .DGML file into the Visual Studio IDE.
    4. Select .DGML File: In the file explorer dialog, navigate to the location where the .DGML file is saved, select the file, and click on the "Open" button.
    5. View .DGML Contents: After opening the .DGML file, Visual Studio will display the contents of the file in its Graph Visualization tool. You can explore and interact with the graph, zoom in/out, and apply various layout options to visualize the data in the .DGML file.

    Note: If you don't have Visual Studio or prefer an alternative, you can also use other software tools like yEd Graph Editor or NodeXL to open and view .DGML files. These tools provide similar graph visualization capabilities.

  • Are there any specific software or tools required to open and work with .DGML files?

    Yes, there are specific software and tools required to open and work with .DGML files. DGML (Directed Graph Markup Language) is a file format used to represent directed graphs, such as software architecture diagrams or dependency graphs.

    Microsoft Visual Studio is one of the main tools for working with DGML files. It provides a built-in viewer and editor for DGML files, allowing you to open, view, and modify the graphs. Visual Studio also offers features like layout customization, filtering, and analysis of the graph data.

    Apart from Visual Studio, there are other tools available that support DGML files, such as:

    1. yEd Graph Editor: It is a free cross-platform desktop application that can open and edit DGML files. It provides various layout algorithms, customization options, and export capabilities.
    2. NodeXL: It is an Excel add-in specifically designed for social network analysis. NodeXL can also open and analyze DGML files, providing insights into network structures and properties.
    3. Gephi: It is an open-source graph visualization and manipulation software. Gephi supports the import of DGML files and offers advanced layout algorithms, filtering, and analysis options.

    These tools enable you to open, visualize, analyze, and edit DGML files, depending on your specific needs and requirements.

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