.VBX

.VBX File Extension

Learn what a .vbx file is, what it is used for, which programs can open it, and how to convert or troubleshoot this file format.

Programming File Extension Guide 179 Searches
.VBX
Visual Basic Extension

Quick Facts

Basic information about this file format

Extension
.VBX
File Type
Visual Basic Extension
Category
Programming
Best first step
Use compatible software

Quick Summary

A practical overview of the .vbx file format

A VBX file is a custom control used in earlier versions of Visual Basic (VB) and other Windows development environments. These files contain reusable code components that extend the functionality of the development environment, allowing developers to easily incorporate pre-built features like custo…

File extension .VBX
File type Visual Basic Extension
Category Programming
Recommended action Open with a trusted compatible app

How to open a .vbx file

Start with a trusted app that supports this format

  • Check the file extension carefully and confirm that the file name really ends with .vbx.
  • Use software that supports this file type. If one app does not work, try another compatible program for the same platform.
  • Update the application if the file was created by a newer version of the software.
  • Scan files from unknown sources before opening them, especially documents, archives, scripts, installers, and executable files.

What is a .vbx file?

File extension details and usage information

A VBX file is a custom control used in earlier versions of Visual Basic (VB) and other Windows development environments. These files contain reusable code components that extend the functionality of the development environment, allowing developers to easily incorporate pre-built features like custom user interface elements, data access tools, and specialized algorithms into their applications. VBX controls were a popular way to add features to VB applications without having to write all the code from scratch. They were essentially DLLs (Dynamic Link Libraries) specifically designed for use within the VB environment. The VBX standard was prevalent in the 16-bit Windows era (Windows 3.x) and provided a mechanism for third-party developers to create and distribute reusable components. While VBX controls offered significant advantages in terms of code reuse and rapid application development, they are now largely obsolete due to the transition to 32-bit and 64-bit Windows operating systems and the introduction of newer component technologies like ActiveX controls (OCX) and .NET assemblies. Modern versions of Visual Basic and other development environments no longer support VBX files.

Software Compatibility

Programs that may open or work with .vbx files

Windows

Compatible applications

Visual Basic (versions prior to VB5) Compatible
Borland Delphi (with VBX support) Compatible
Other development environments with VBX support Compatible

macOS

Compatible applications

No specific software is listed for this platform yet. Try checking the file source, identifying the original application, or using a trusted universal file viewer when appropriate.

Linux

Compatible applications

No specific software is listed for this platform yet. Try checking the file source, identifying the original application, or using a trusted universal file viewer when appropriate.

Mobile

Mobile applications

No specific software is listed for this platform yet. Try checking the file source, identifying the original application, or using a trusted universal file viewer when appropriate.

Can .vbx files be converted?

Options for saving or exporting this file to another format

In many cases, a .vbx file can be converted by opening it in compatible software and using an option such as Save As, Export, or Convert. The available output formats depend on the file type and the application used.

  • Use the original software that created the file when possible.
  • Check whether the application supports exporting to common formats.
  • Be careful with online converters when working with private, business, or sensitive files.
  • If conversion fails, the file may be corrupted, incomplete, encrypted, or not actually a .vbx file.

Why can't I open a .vbx file?

Common reasons this file type may not open correctly

Wrong software

The file may require a specific program that supports the .vbx format.

Incorrect extension

The file extension may have been renamed manually, even though the actual file format is different.

Corrupted file

The file may be incomplete, damaged during download, or transferred incorrectly.

Outdated app

Your software may need to be updated before it can open newer versions of this file format.

Frequently Asked Questions

Common questions about .vbx files

To open a .vbx file, use software that supports this file format.

  • Visual Basic (versions prior to VB5)
  • Borland Delphi (with VBX support)
  • Other development environments with VBX support

Open the file in compatible software and look for options such as Save As, Export, or Convert. If no export option is available, the file may require a specialized converter or the original application that created it.

  1. Verify that the file extension is correct.
  2. Install or update compatible software.
  3. Try another application that supports this format.
  4. Check whether the file is corrupted, incomplete, or encrypted.

A file extension alone does not guarantee whether a file is safe or unsafe. Only open files from trusted sources, scan unknown files before opening them, and be especially careful with executable, script, archive, and document files.

File safety tips

Use caution with unknown files

Only open files from trusted sources. Before opening a .vbx file, scan it with antivirus software, verify that the file extension is expected, and avoid running unknown executable, installer, macro-enabled document, or script files.