.BAS file extension

This is the basic program to work with .BAS extension

Microsoft Visual Basic

Microsoft Visual BasicVisual Basic Module

Visual Studio is extensible by nature, ultimately consisting of a core "shell" that implements all commands, windows, editors, project types, languages, and other features through dynamically loadable modules called "packages".[19][20] Microsoft encourages and fosters third party partners to create modules for Visual Studio via the free VSIP program. However, according to Dan Fernandez, Microsoft "made a business decision to not allow 3rd party extensibility in Express"... (more)

The program works with the following extensions: bas, cls, ctl, dob, dsr, frm, pag, vbg, vbp and vbz

.BAS extension is also supported by the following programs:

Microsoft Visual Studio Enterprise Edition

Microsoft Visual Studio Enterprise EditionVisual Basic Module

An application development kit with several handy utilities uncluded.
DXP 2004

DXP 2004Altium Script Document

Altium Designer

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Leverages innovative technologies to help you focus less on the process.
Visual Basic Professional SP

Visual Basic Professional SPVisual Basic Module

DXP 2004 SP2

DXP 2004 SP2Altium Script Document

Microsoft Visual Studio Professional Edition

Microsoft Visual Studio Professional EditionVisual Basic Module

It lets developers create applications across the web, cloud, and devices.
Altium Designer Summer 08

Altium Designer Summer 08Altium Script Document

Lets you create your next-generation of electronic products.

Notepad++Notepad++ Document

Light editor for taking notes and writing programming code.
Microsoft Visual Studio Edición empresarial (Español)

Microsoft Visual Studio Edición empresarial (Español)Visual Basic Module

APEX True DBInput

APEX True DBInputVisual Basic Module

Altium Designer Winter 09

Altium Designer Winter 09Altium Script Document

Actuate e.Report Designer Professional

Actuate e.Report Designer ProfessionalActuate Basic Source

Microsoft Visual Basic for Applications SDK

Microsoft Visual Basic for Applications SDKVisual Basic Module