DBML File Extension
Visual Studio OR Design Format
- File Type dbml
- Developer Microsoft
- Popularity
- Application Microsoft SQL Server
- Category Developer Files
- Format XML
What is a DBML file?
The DBML extension is related to Visual Studio OR Design Format and is classified in the Developer Files category, which contains 1166 files.
The Visual Studio OR Design Format (DBML) was developed by Microsoft, which created file format and 242 programs to work with them.
DBML files are supported by Windows, Linux and Mac OS. To open a DBML file, you can choose from 10 programs such as Microsoft SQL Server, Microsoft Visual Studio and Nvu.
Programs that support DBML files
How to open a DBML file?
If you cannot open a DBML 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.
Microsoft SQL Server, Microsoft Visual Studio and Nvu stand out as the preferred programs to manage DBML files effectively. To install the current version of Microsoft SQL Server, go directly to the official Microsoft website. The universal package for all operating systems is available there.
After successful installation, your operating system should seamlessly handle DBML files via Microsoft SQL Server.
Set Microsoft SQL Server as the default DBML program
Change Default Program on Mac
- Right click or Control + left click on the desired DBML file;
- Choose "Open in Application" and click "Other";
- Go to the lower section of the window, where you will find the "Enable" menu. By default, it is set to "Recommended Programs";
- Select "All Programs" from this menu and proceed to search for Microsoft SQL Server. Check the box next to "Always open in app" to set it as the default option.
Set default programs for Windows
- Start by right-clicking on your DBML file, then select the "Open with" option and choose "Choose another app" from the menu that appears;
- In the pop-up window, select the Microsoft SQL Server application;
- Check the "Always use this application" checkbox, and then click "OK" to apply the selected application as the default for opening DBML files.
Solve problems with DBML files
DBML files may present some challenges, but most can be easily addressed with minor software tweaks. See the troubleshooting tips below for guidance.
What are the ways to check if my DBML file is damaged?
DBML developer 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 Microsoft SQL Server;
- The file stops responding or freezes in Microsoft SQL Server or other programs;
- Unexplained DBML file size inflation;
- Actions performed on the file result in the appearance of error notifications;
Why does Microsoft SQL Server crash or shut down frequently?
Insufficient updates for Microsoft products can cause Microsoft SQL Server to crash. Be sure to regularly install the latest software 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.
Is there any specific software or utility that can help repair a damaged DBML file?
Use a recovery program to open the damaged DBML file, and in the menu, click "Repair" to start the repair operation. Wait for the recovery process to finish, allowing automatic repair of damaged developer files.
How to edit a DBML file?
To make changes to DBML files, you need specialized software that allows both opening and editing the developer files. Online DBML editors offer fewer capabilities than applications optimized for Visual Studio OR Design Format.
Best DBML Editor Software in 2026
With the mentioned criteria in mind, we have assembled a selection of DBML editors.
| DBML Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| TextEdit | Apple | Mac OS | 4.8 out of 5 (40 reviews) |
| Windows Notepad | Microsoft | Windows | 4.8 out of 5 (35 reviews) |
| GNU Emacs | FSF | Linux | 4.7 out of 5 (33 reviews) |
| Gedit | GNOME | Linux | 4.6 out of 5 (38 reviews) |
| Notepad++ | Notepad++ Team | Windows | 4.6 out of 5 (37 reviews) |
| Sublime Text | Sublime HQ Pty | Windows, Mac OS, Linux | 4.6 out of 5 (39 reviews) |
| Nvu | Linspire. (Xandros) | Windows, Mac OS, Linux | 4.5 out of 5 (36 reviews) |
| Microsoft SQL Server | Microsoft | Windows | 4.4 out of 5 (40 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) |