The File Extensions Database

.BAS File Extension

  • Category: Developer Files
  • Format: Text

What is an .BAS file?

.BAS is BASIC Source Code File

Program source code written in the BASIC programming language; BASIC stands for "Beginner's All-purpose Symbolic Instruction Code," and is available in several different versions that have modified since the language's inception in the 1960s.

Programs that open BASIC Source Code File
File Viewer Plus
Microsoft Visual Studio 2017
SoftMaker Office
BBC BASIC for Windows
Blitz Research BlitzMax
Blitz Research BlitzMax
Blitz Research BlitzMax

How to solve problems with BAS files

  • Associate the BAS file extension with the correct application. On :
    Windows: Right click on any BAS file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.BAS files". Mac: Right click (or Ctrl-click) the BAS file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .BAS is BASIC Source Code File. Because only the current version supports the latest BAS file format. Search, therefore, e.g. on the N/A manufacturer website after an available .BAS is BASIC Source Code File update.
  • To make sure that your BAS file is not corrupted or virus-infected, get the file again and scan it with antivirus software.