A daily updated filename extension database!

PI4 file extension

The table below provides useful information about the .pi4 file extension. It answers questions such as:

  • What is the .pi4 file?
  • What program do I need to open a .pi4 file?
  • How can the .pi4 file be opened, edited or printed?
  • How can I convert .pi4 files to another format?

We hope you find this page helpful and a valuable resource!

2 extension(s) and 0 alias(es) found in database

✅ Robolab Pilot 4 Program

PI4 file is a Robolab Pilot 4 Program. ROBOLAB is a robot programming language developed by a collaboration between NI, Tufts Center for Engineering Outreach (CEEO), and LEGO.
PI4 format description not yet available
Application: ROBOLAB
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
PI4 aliases:
PI4 related links:
PI4 related extensions:

✅ Atari Degas TT Raster Image

PI4 file is an Atari Degas TT Raster Image. DEGAS (short for Design & Entertainment Graphic Arts System) and DEGAS Elite were image drawing programs for the Atari ST.
Category: Graphic files
Application: XnView
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
PI4 aliases:
pi5, pi6
PI4 related links:
PI4 related extensions:
Atari Degas Low Resolution Image

Atari Degas Medium Resolution Image

Atari Degas High Resolution Image

Atari Degas Elite Compressed Low Resolution Image

Atari Degas Elite Compressed Medium Resolution Image

Atari Degas Elite Compressed High Resolution Image

Atari ST Cyber Paint Cell Image

Atari ST Public Painter Image

Atari ST QuantumPaint Image

Atari ST DUO Image

Other types of files may also use the .pi4 file extension.

🔄 .pi4 converters

The following softwares are capable of converting .pi4 files to other formats:


For example, using the softwares above, a .pi4 file can be converted into one of the following formats:

$s, 2bp, 2d, 3fr, 411, 4bt, 73i, 82i, 83i, 85i, 86i, 89i, 92i, a64, abs

🚫 The .pi4 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

p4, pk4, pit, pie, p4i, pl4, pj4, pir, pi

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Perforce P4 Data
Pathloss Link Design Data
Parrot Intermediate Representation File
Commodore 16 Bitmap Image
PackIt Compressed Archive
iPi Calculation Data
Electric Quilt 4 Project
Blazing Paddles Bitmap
Doom 3 Game Data

🔴 Can't open a .pi4 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .pi4 file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .pi4 file extension, write to us!

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