🚀 Contribute! Buy me a coffee

DBX File Extension

The DBX file extension was created by Autodesk and is also known as the AutoCAD Database Extension File. DBX is classified as a Plugin Files and This file is saved in a binary format, which requires a specific program to read its contents. You can open DBX files in Microsoft Outlook Express program.

AutoCAD Database Extension File Type

AutoCAD Database Extension File Type
Extension .dbx
Developer Autodesk
Popularity 5.0 (5 Votes)
Mime Type mime-type/not.available
Default Program Microsoft Outlook Express
Category Plugin Files
Format Binary
Updated 7/1/2025

What is a DBX File Type?

The third-party allows developers to read .DWG files by creating DBX extensions. Some versions of Adobe Acrobat, for example, combine several DBX files to read CAD Autodesk drawings.

Free Online DBX Tools & Apps

Access powerful and secure free online DBX tools to convert, view, edit, merge, split, and compare DBX files — all without installing any software. Our tools support the .DBX (AutoCAD Database Extension File) file extension and run smoothly in any modern browser.

Select a tool below to explore features and manage your DBX files directly from your device with ease.

DBX Files Common Issues

There are few common issues with the AutoCAD Database Extension File .DBX=10903 File Extensions while opening the .DBX=10903 files on Windows and MacOs, we have solution to those issues such as:

Can't Open DBX Files?

  1. You must have supported software programs installed for AutoCAD Database Extension File on your system such as Microsoft Outlook Express.
  2. Associate default Microsoft Microsoft Outlook Express program for *.dbx (AutoCAD Database Extension File) files.

    Associate DBX Default Program on Windows
    1. Right-click a *.DBX (e.g example.dbx) file and click Open With.
    2. In the Open with dialog box, click Microsoft Microsoft Outlook Express program Or click Browse to locate the program (*.exe) that you want.
    3. Select check box for Always use this app to open .dbx files.

    Associate DBX Default Program on MacOs
    1. Click *.DBX (e.g example.dbx) file and click information -> Open With.
    2. In the programs list, click Microsoft Microsoft Outlook Express program Or other appropriate program that you want.
    3. Confirm Change for all... and Contine.
    4. A message will appear "This change will be applied to all files with .Microsoft Outlook Express extension. By clicking Continue you confirm your selection", click Contine to apply changes.

All Platform Software Programs for DBX File Extension

List of all softwares that can open the DBX files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Microsoft Windows logo image Open DBX File on Windows

Software License Developer
Autodesk AutoCAD image. Autodesk AutoCAD 2020 for Windows Commercial Autodesk
IMSI TurboCAD Pro image. IMSI TurboCAD Pro 000 for Windows Free Trial IMSI TurboCAD Pro
Microsoft Outlook image. Microsoft Outlook 365 for Windows Commercial Microsoft
Microsoft Outlook Express image. Microsoft Outlook Express 6 for Windows Bundled Microsoft

MacOs logo image - FileProInfo.comOpen DBX File on Mac OS

Software License Developer
Autodesk AutoCAD image. Autodesk AutoCAD 2020 for MacOs Commercial Autodesk
Microsoft Outlook image. Microsoft Outlook 365 for MacOs Commercial Microsoft
Microsoft Outlook Express image. Microsoft Outlook Express 6 for MacOs Bundled Microsoft

Linux logo image - FileProInfo.comOpen DBX file on Linux

Software License Developer

Website logo image - FileProInfo.comOpen DBX file on Web

Software License Developer

iOS logo image - FileProInfo.comOpen DBX file on iOS

Software License Developer

Android logo image - FileProInfo.comOpen DBX file on Android

Software License Developer

About Licensing

  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

DBX file extension icon image.About DBX - AutoCAD Database Extension File

FileProInfo is to help you understand about the AutoCAD Database Extension File with *.DBX suffix, and provide the complete detail as how to open, edit, convert, merge, split and compare it with other related software programs, software download links and free online apps and tools.

Our professional team members at FileProInfo have been individually researched and verified the details for DBX. We want to be 100% accurate and publish the information about file formats, tools, apps and software programs that we have tested and validated.

If you would like to suggest any additions or updates to this page for DBX, please let us know.

Updated 7/1/2025