.AC File Extension

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

Type 1: Autoconf Script

General Information

Title AC File Extension
Extension .ac
Full Form Autoconf Script
File Type Script/Configuration File
Developer GNU Project
MIME Type text/plain

File Function

Primary Function Configure software
Additional Functions Generate Makefiles
Features Portable, Customizable

File Characteristics

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

Use Cases

Software Compilation Yes
Cross-platform Building Yes
Source Configuration Yes

Security and Practices

Security Risks Script Injection
Best Practices Validation, Review

Historical/Version Information

Initial Release 1991
Latest Version 2.71 (2021)

Associated Types

Similar Extensions .in, .m4, .sh

Software Compatibility

Software Usage Policy OS Compatibility
GNU Autoconf Free Unix-like, Windows
GNU M4 Free Unix-like, Windows

Type 2: AC3D 3D Definition File

General Information

Title AC3D 3D Definition File
Extension .ac
Full Form AC3D File
File Type 3D Model File
Developer Inivis Limited
MIME Type application/ac3d

File Function

Primary Function Store 3D models
Additional Functions Animation, Texturing
Features Simple text-based, Human-readable

File Characteristics

Quality Depends on model
Supports Layers No
Supports Transparency Via materials
Editable Yes

Use Cases

Game Development Yes
VR/AR Yes
3D Printing Yes
Educational Yes

Security and Practices

Security Risks Low
Best Practices Validate files, Update software

Historical/Version Information

Initial Release Early 1990s
Latest Version AC3D 8.5 (2021)

Associated Types

Similar Extensions .3ds, .obj, .blend

Software Compatibility

Software Usage Policy OS Compatibility
AC3D Paid, Free trial Windows, Mac, Linux
Blender Free Windows, Mac, Linux
MeshLab Free Windows, Mac, Linux

Type 3: Ancestral Quest Collaborative Database File

Ancestral Quest is software for genealogy. It stores data in a database file. The default format is .aq. The collaboration format is .ac. Ancestral Quest can also edit .paf files from Personal Ancestr...

General Information

Title AC File Extension
Extension .ac
Full Form Ancestral Quest Collaborative Database File
File Type Genealogy Data File
Developer Incline Software
MIME Type application/octet-stream

File Function

Primary Function Store genealogy data
Additional Functions Collaborative research
Features Relational data, Multiple users

File Characteristics

Quality Highly structured
Supports Layers N/A
Supports Transparency N/A
Editable Yes, with software

Use Cases

Genealogy Research Yes
Family History Recording Yes
Collaborative Projects Yes

Security and Practices

Security Risks Unauthorized access
Best Practices Regular backups, Access control

Historical/Version Information

Initial Release Date not specified
Latest Version Contextual to software updates

Associated Types

Similar Extensions .paf, .ged, .fbc

Software Compatibility

Software Usage Policy OS Compatibility
Ancestral Quest Paid, Free version Windows, Mac