.PAS File Extension

Niklaus Wirth
File Type:
Pascal Source File

Having trouble opening .pas extension? Don't panic! This page explains what pas files are as well as suggests programs you may use to open pas files. You can download these programs through this page.

What is a PAS file?

Pas file extension has Pascal Source file type, developed by Niklaus Wirth, which is associated with the "developer files" category.

To learn how you can open the given file, read the information below.

pas file icon
Niklaus Wirth
File Type:
Pascal Source File
Developer Files

How to open PAS file?

Double click the pas file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .pas extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the pas extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the pas file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open PAS files

  • Windows Windows
  • MacOS MacOS
    • Free Pascal Free Pascal
    • MacroMates TextMate MacroMates TextMate
    • Bare Bones BBEdit Bare Bones BBEdit
  • Linux Linux
    • Free Pascal Free Pascal

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the pas file as well. Download Universal File Viewer for your OS.

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