PAS File Type

By:   |   Last Updated: November 26, 2018

Microsoft Silver

PAS File Summary

File Extension PAS has two unique file types (with the primary being the Delphi Unit Source File format) and is mostly associated with Delphi (IDE) (Embarcadero Technologies) and seven other software programs. Generally, these files are considered Developer Files.

File Extension PAS files have been identified on both desktop and mobile devices. They are fully or partially supported by Windows, iOS, and Android. These files have a Popularity Rating of "Low", meaning they are not very commonly observed on your average hard disk.

If you are having problems opening PAS files, or would simply like to learn more about the software programs and developers that are associated with them, please see the complete information contained below.

Low
Popular
245
Standing

/ 11690

Active

File Status

26

November

2018

Refreshed

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Varieties of PAS Files

  2 known file types use this extension

Chief PAS Description

.PAS
File Ext:.pas
File Type:Delphi Unit Source File

A program for developing Windows software called Delphi creates this type of source code. A user can compile the file into the original Win32 code using a tool called Delphi compiler.

Created by: Embarcadero Technologies
File Category:Developer Files
Folder: HKEY_CLASSES_ROOT\.pas

Software Programs That Open The Delphi Unit Source File:


Delphi (IDE) by Embarcadero Technologies

Windows
iOS
Android
OS X El Capitan

Additional PAS Files

.PAS
File Ext:.pas
File Type:Pascal Source File

A file that consists of source codes that are written in two advanced programming languages, namely Object Pascal or Pascal. One can edit the file with the help of a text editor or Pascal software.

Created by: Niklaus Wirth
File Category:Developer Files

Software Programs That Open Pascal Source File Files:


Notepad++ by Don Ho

Compatible with:

Windows
Mac
Linux

MacroMates TextMate by MacroMates

Compatible with:

Mac

Free Pascal by Open Source

Compatible with:

Windows
Mac
Linux
OS/2
FreeBSD
NetBSD
SunOS
BeOS

Zeus by Xidicone

Compatible with:

Windows

Oxygene by RemObjects Software

Compatible with:

Windows

Turbo Pascal by Embarcadero Technologies

Compatible with:

Windows

BBEdit by Bare Bones Software

Compatible with:

Mac

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PAS Usage


Operating System Rankings

Windows (82.33%)
Android (11.56%)
iOS (3.43%)
Macintosh (1.71%)
Linux (0.60%)


PAS File Complications


Frequent PAS Opening Issues

Missing Delphi (IDE)

You attempt to load your PAS file and get an error such as "%%os%% Can't Open The PAS File Extension". Usually, this is because you do not have Delphi (IDE) for %%os%% installed. Because your operating system doesn't know what to do with this file, you won't be able to open it by double-clicking.


Tip: If you have another software that you know opens PAS files, you can select it by hitting the "Show Apps" button.


Wrong Version of Delphi (IDE) is Installed

In other instances, your Delphi Unit Source File file version may not be supported by your version of Delphi (IDE). Download the latest Delphi (IDE) version from the Embarcadero Technologies website to ensure you have the correct one installed. The primary cause of this problem is that your Delphi Unit Source File file was created by a different (newer) version of Delphi (IDE) than what's installed.


Tip: Find clues on the correct software version by right-clicking your PAS file and clicking "Properties".


Regardless, most of the PAS file opening problems relate to not having the right version of Delphi (IDE) installed.


Associated Difficulties Loading PAS Files

You can still experience errors opening PAS files even with the latest version of Delphi (IDE) installed on your PC. There can be other issues - unrelated to software - preventing you from opening PAS files. These other problems include (listed in order from most to least common):

  • Invalid PAS file references in the Windows Registry (the "phonebook" of the Windows Operating System)
  • Deletion of the PAS file description from the Registry by mistake
  • Delphi (IDE) or another PAS application experienced a flawed installation
  • File corruption affecting your PAS file
  • Your PAS is infected with malware
  • Hardware associated with PAS has outdated drivers
  • Insufficient system resources to successfully open Delphi Unit Source File files

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