BAS File Type

- The quick facts

What are BAS files and how to open them

Are you having problems opening a BAS file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a BAS file?

Files that contain the .bas file extension are most commonly associated with program source code that has been written in the BASIC programming language.

BASIC is a programming language that was created in the 1960s and the name is an acronym for Beginner's All-Purpose Symbolic Instruction Code. When a program source code file is created using the BASIC language, it is saved with the .bas file extension.

The Microsoft QuickBASIC software program is an application that allows users to create programs using the BASIC language in an easy-to-use software application. These BASIC files are also saved with the .bas file suffix.

How to open BAS files

Important: Different programs may use files with the BAS file extension for different purposes, so unless you are sure which format your BAS file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 10 different BAS openers which you will find listed below.

Last updated: March 17, 2022

Suggest another file format using extension BAS

While we know of one file format using the .BAS file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .BAS file.

Various apps that use files with this extension

These apps are known to open certain types of BAS files. Remember, different programs may use BAS files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Visual BasicVisual BasicUser submitted
BasicMakerBasicMakerUser submitted
Altium DesignerAltium DesignerUser submitted
progeCAD ProfessionalprogeCAD ProfessionalUser submitted
DeltaCadDeltaCadUser submitted
Altium Designer SummerAltium Designer SummerUser submitted
Sakura Editor (Japanese)Sakura Editor (Japanese)User submitted
Notepad++Notepad++User submitted
Seclore FileSecureSeclore FileSecureUser submitted
Altium Designer WinterAltium Designer WinterUser submitted