.PL1 File Extension

File Type 1

PL/I Source Code

Developer IBM
Popularity
3.4  |  5 Votes
Category Developer Files
Format N/A

What is a PL1 file?

Program written in PL/I (Programming Language One), a language designed primarily for data processing applications; supports recursion and structured programming; designed to be highly-structured, yet is also free-form, having no reserved keywords.

More Information

PL/I source files also use the .PLI extension.

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Programs that open PL1 files

Windows
IBM PL/I for VSE/ESA
PL/I for GCC
Mac
PL/I for GCC
Linux
PL/I for GCC
Updated March 30, 2009
File Type 2

3D Home Architect Floor Plan

Developer Broderbund
Popularity
2.9  |  7 Votes
Category 3D Image Files
Format N/A

What is a PL1 file?

A PL1 file contains a building floor plan created with 3D Home Architect Deluxe. It includes the first-floor layout, as well as objects, such as furniture, lighting, appliances, and window treatments. PL1 files may also include custom surface materials and colors.

More Information

PL1 files are used to store the layout of the ground floor or first floor of a home. The second-floor layout is stored in a .PL2 file.

NOTE: Broderbund no longer develops 3D Home Architect Deluxe.

Programs that open PL1 files

Windows
Broderbund 3D Home Architect Deluxe
Updated December 9, 2020
File Type 3

Adventure Maker Plug-in

Developer The Adventure Maker Team
Popularity
2.0  |  2 Votes
Category Game Files
Format Binary

What is a PL1 file?

Plug-in file used by Adventure Maker, a game development environment used to create point-and-click games; contains a group of files that add functionality to Adventure Maker, such as ActiveX controls or more options fpr the Hotspot Properties and Frame Properties windows.

More Information

Adventure Maker can be used to create games for Windows, the Sony PlayStation Portable, and the iPod touch.

Programs that open PL1 files

Windows
Adventure Maker
Updated April 12, 2010

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