afb

.afbAdobe Font Binary

Adobe Systems · 1990s

Developer
Adobe Systems
Category
Fonts
MIME Type
font/afb
First Released
1990s
Open Format
No
File Signature
Not a reliably documented header signature; relies on file extension and context.
At a Glance
.afb
Adobe Font Binary

An Adobe Font Binary (.afb) is an older, proprietary font file format from Adobe used for displaying text in specific software.

Reviewed on June 7, 2026
Compression
Compressed
Transparency
N/A
Editability
Low
Best for
Legacy font rendering

Key Features

  • Contains essential font data like character shapes and spacing.
  • Proprietary format developed by Adobe Systems.
  • Primarily used in older Adobe software and operating systems.
  • Binary structure for compact storage of typographic information.

Best For

  • Maintaining compatibility with very old Adobe applications.
  • Situations where original design integrity relies on legacy font files.
  • Archiving projects that exclusively used .afb fonts.

Less Ideal For

  • Modern web design and cross-platform compatibility.
  • Sharing fonts with users who do not have legacy Adobe software.
  • Creating new font libraries or digital typefaces.
  • Integration with current design and publishing workflows.

Common Use Cases

  • Displaying specific fonts within legacy Adobe publishing software.
  • Archiving older font collections used in historical design projects.
  • Ensuring consistent text rendering on older operating systems that supported the format.

How to Open It

  1. Attempt to open with older versions of Adobe Creative Suite (e.g., Photoshop, Illustrator) if the font is installed.
  2. Check if the font is recognized by your operating system's font management utility (though support is unlikely on modern OS).
  3. Some specialized font conversion tools might offer limited support for extracting data, but direct opening is rare.

What is a .afb file?

An Adobe Font Binary (.afb) file is a proprietary font format developed by Adobe Systems. It was primarily used in older Adobe applications and operating system environments, especially in the context of early digital typography and publishing. These files contain font data, including glyph shapes, character metrics, and other essential information needed to render text. While functional, this format has largely been superseded by more modern and widely supported font standards.

Programs That Open .afb Files

PlatformProgram
WindowsAdobe InDesign (Older Versions)PaidOfficial
Adobe Photoshop (Older Versions)PaidOfficial
macOSAdobe Illustrator (Older Versions)PaidOfficial
Adobe PostScript Printer Utility (If applicable)PaidOfficial

How to Convert .afb Files

FormatMethod
.TTFFontForge, Online Font Converters
.OTFFontForge, Online Font Converters

Common Problems with .afb Files

⚠️ File cannot be opened or recognized on modern operating systems.
Use font conversion software like FontForge to convert the .afb file to a more modern format (e.g., TTF or OTF) if possible, or use a legacy application that explicitly supports it.
⚠️ Font rendering issues or missing characters.
Ensure the font file is not corrupted. If it is an older format, conversion to TTF or OTF is recommended for better compatibility and rendering.

Frequently Asked Questions

What is an .afb file used for?

An .afb file is an Adobe Font Binary, an older proprietary font format used primarily by legacy Adobe software for displaying text.

Can I open .afb files on my modern computer?

Direct support for .afb files is rare on modern operating systems. You may need to use specialized font conversion tools or older Adobe applications.

Is .afb a standard font format like TTF or OTF?

No, .afb is a proprietary format from Adobe and is not as widely supported or standardized as TrueType (.ttf) or OpenType (.otf) fonts.

Technical Details

The .afb format is a binary file containing font data, including vector outlines for characters (glyphs), kerning pairs, and other typographic metrics. It was designed to be compact and efficient for its time. Unlike modern open formats like TrueType or OpenType, .afb files are platform-specific and require compatible Adobe software to be rendered correctly.

Did You Know?

The .afb format is closely related to the PostScript Type 1 font format.
Its binary nature was an advantage for storage and transfer in the early days of digital publishing.

Security Information

As with any font file, exercise caution when opening .afb files from unknown sources, as they could potentially contain malicious code, though this is less common for font formats compared to executable files.