akf

.akf — ACID Autocad KW File

Autodesk · 1990s

Developer
Autodesk
Category
3D & CAD
MIME Type
application/vnd.autocad-kw
First Released
1990s
Open Format
No
File Signature
Not publicly documented for AKF files.
At a Glance
.akf
ACID Autocad KW File

An AKF file is a proprietary keyword data file used by Autodesk AutoCAD software for specific configurations or commands.

Reviewed on June 14, 2026
Compression
Binary
Transparency
N/A
Editability
Low
Best for
AutoCAD keyword data

Key Features

  • Stores keyword data for AutoCAD.
  • Proprietary binary format.
  • Used for command configuration or association.
  • Requires AutoCAD for full functionality.

Best For

  • Configuring AutoCAD commands.
  • Storing proprietary keyword-based settings.
  • Enhancing custom AutoCAD workflows.
  • Maintaining specific user configurations within AutoCAD.

Less Ideal For

  • General data storage.
  • Sharing drawing geometry.
  • Cross-platform compatibility without AutoCAD.
  • Storing text-based configurations.

Common Use Cases

  • Storing custom command aliases.
  • Associating keywords with specific drawing settings.
  • Facilitating custom workflows in AutoCAD.
  • Saving specific user-defined configurations.

How to Open It

  1. Open AutoCAD software.
  2. Navigate to the relevant command or settings menu where the keyword data is used.
  3. The file is typically loaded automatically by AutoCAD when needed.
  4. Directly opening AKF files in a text editor will show unreadable binary data.

What is a .akf file?

An AKF file is a proprietary format used by Autodesk's AutoCAD software, specifically for storing keyword (KW) data. This data is often associated with specific commands or configurations within a drawing or project. While it's tied to AutoCAD, it doesn't contain the primary drawing geometry itself, but rather supplementary information that helps AutoCAD interpret or execute certain functions. Because it's a proprietary format, opening and editing AKF files typically requires access to the original AutoCAD software or compatible CAD tools.

Programs That Open .akf Files

PlatformProgram
WindowsAutoCADPaidOfficial
macOSAutoCAD for MacPaidOfficial

Common Problems with .akf Files

⚠️ Cannot open AKF file directly.
AKF files are proprietary and require Autodesk AutoCAD software to be used correctly. They are not standalone documents.
⚠️ File not recognized by other CAD software.
This is expected as AKF is specific to AutoCAD for keyword data. Consider exporting relevant data from AutoCAD into a more standard format if interoperability is needed.

Frequently Asked Questions

What is the main purpose of an AKF file?▼

AKF files store keyword data used by Autodesk AutoCAD for specific commands, configurations, or user-defined settings within a project.

Can I edit an AKF file with a text editor?▼

No, AKF files are binary files and contain unreadable data when opened in a text editor. Editing requires AutoCAD.

Is the AKF format open source?▼

No, the AKF format is proprietary to Autodesk and its specifications are not publicly available.

Technical Details

AKF files are binary files that store keyword association data for AutoCAD. They are not meant for direct human readability and serve as configuration or lookup tables for the CAD application. The exact structure is undocumented by Autodesk, making reverse engineering difficult and limiting third-party support.

Did You Know?

The 'KW' in AutoCAD KW file likely stands for 'Keyword'.
AKF files are typically small compared to the main DWG drawing files they accompany.

Security Information

As a proprietary binary format tied to specific software, AKF files generally pose minimal security risks unless they are part of a malicious payload disguised as a legitimate file. Always ensure your AutoCAD software is up-to-date to mitigate potential vulnerabilities.

Related Extensions

.DWG