>> PL1 file

PL1 file format description

Many people share .pl1 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .pl1 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .pl1 files.

2 filename extension(s) found in our database.

.pl1 - PL/I Source Code

The PL1 development files are related to PL/I Compilers. PL1 file is a PL/I Source Code. PL/I (Programming Language One) is a procedural, imperative computer programming language designed for scientific, engineering, business and systems programming applications.

PL/I Compilers
Development files
- / -
PL/I Source Code related extensions:
IBM Informix 4GL Source Code
APL Transfer Format File
CCXML Document
IBM Rational Software Architect DNX Diagram
ClearCase Source Control Info
IBM Rational SDL Suite Diagram

.pl1 - 3D Home Architect Floor Plan

The PL1 document files are related to 3D Home Architect Deluxe. PL1 file is a 3D Home Architect Floor Plan. 3D Home Architect Deluxe is a 3D building, house design software developed for builders, architects and home DIY enthusiasts.

3D Home Architect Deluxe
Document files
- / -
3D Home Architect Floor Plan related extensions:
3D Home Architect Foundation Floor Plan
BBEdit Shell Worksheet
Epson Page Description Language Document
Freeway Template
GelEval for Mac Document
Clicker Word Bank

Naturally, other applications may also use the .pl1 file extension. Even harmful programs can create .pl1 files. Be especially cautious with .pl1 files coming from an unknown source!

Can't open a .pl1 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 can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .pl1 file extension is often given incorrectly!

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

p1, p11, pi1, pl, pll, plq, plw, pm1, po1, pp1

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Oracle PLL Library
HI-TECH C Compiler Precompiled
Parity Archive V2
TAK 2000 Heat Rate Plot
TRS-80 Color P11 Image
PicoLog Data

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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If you have useful information about the .pl1 file format, then write to us!

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