.PL1 File Extension

PL1 files exist as 3 different types. Please find information about each of them below.

Type 1: PL/I Source Code

A PL1 file contains a first-floor layout. It includes objects like furniture, lighting, appliances, and window treatments. PL1 files may also include custom colors and materials. They are used to stor...

General Information

Title PL/I File Extension
Extension .pl1
Full Form PL/I Source Code File
File Type Source Code File
Developer IBM
MIME Type text/plain

File Function

Primary Function Contain source code
Additional Functions Compile into executable
Features Procedure-oriented, Block-structured

File Characteristics

Quality Depends on code
Supports Layers N/A
Supports Transparency N/A
Editable Yes

Use Cases

System Software Yes
Business Applications Yes
Scientific Programs Yes

Security and Practices

Security Risks Code vulnerabilities
Best Practices Code review, secure coding standards

Historical/Version Information

Initial Release 1964
Significant Update ANSI standard, ISO standard

Associated Types

Similar Extensions .pli, .plc, .lst, .obj

Software Compatibility

Software Usage Policy OS Compatibility
IBM Rational Developer Commercial Windows, Linux
Open PL/I Free Cross-platform
Iron Spring PL/I Commercial Windows

Type 2: 3D Home Architect Floor Plan

A PL1 file contains a building floor plan. It includes the first-floor layout created with 3D Home Architect Deluxe, as well as objects like furniture, lighting, appliances, window treatments. PL1 fil...

General Information

Title PL1 File Extension
Extension .pl1
Full Form 3D Home Architect Floor Plan
File Type CAD Floor Plan File
Developer Broderbund
MIME Type application/octet-stream

File Function

Primary Function Store floor plans
Additional Functions 3D model visualization
Features 2D design, 3D preview

File Characteristics

Quality High precision
Supports Layers Yes
Supports Transparency No
Editable Yes

Use Cases

Home Design Yes
Interior Planning Yes
Construction Previsualization Yes

Security and Practices

Security Risks Low risk
Best Practices Regular updates, Backup files

Historical/Version Information

Initial Release 1990s
Latest Version Varies by version of software

Associated Types

Similar Extensions .plan, .layout

Software Compatibility

Software Usage Policy OS Compatibility
3D Home Architect Commercial Windows
Broderbund Software Commercial Windows

Type 3: Adventure Maker Plug-in

A new file with the "PL1" extension is created inside the "Plugins" folder when you click OK. To learn creating plugins, edit plugins created by others. Most plugins from the Adventure Maker website a...

General Information

Title .PL1 File Extension
Extension .pl1
Full Form Adventure Maker Plug-in
File Type Plug-in File
Developer Adventure Maker
MIME Type application/octet-stream

File Function

Primary Function Extend functionality
Additional Functions Add features, Customize
Features Modular, Enhance interactivity

File Characteristics

Quality Depends on plug-in
Supports Layers N/A
Supports Transparency N/A
Editable Yes, with tools

Use Cases

Game Development Yes
Interactive Content Yes
Multimedia Applications Yes

Security and Practices

Security Risks Malicious code
Best Practices Scan for viruses, Validate source

Historical/Version Information

Initial Release Unknown
Latest Version Depends on plug-in

Associated Types

Similar Extensions .pl, .dll, .ocx

Software Compatibility

Software Usage Policy OS Compatibility
Adventure Maker Commercial, Free version Windows