bfont

.bfont — Binary Font

Microsoft · 1992

Developer
Microsoft
Category
Fonts
MIME Type
application/font-sfnt
First Released
1992
Open Format
No
File Signature
Not consistently defined or easily identifiable as a unique signature across all .bfont files.
At a Glance
.bfont
Binary Font

.bfont is an older, proprietary binary font format primarily associated with early Microsoft Windows.

Reviewed on August 4, 2026
Compression
Binary
Transparency
N/A
Editability
Low
Best for
Legacy systems

Key Features

  • Binary format for efficient storage.
  • Contains glyph outlines and font metrics.
  • Primarily used in legacy Microsoft Windows systems.
  • Largely superseded by TrueType and OpenType.

Best For

  • Retro computing projects.
  • Maintaining compatibility with very old Windows software.
  • Situations where disk space was extremely limited historically.

Less Ideal For

  • Modern web design.
  • Cross-platform compatibility.
  • High-quality print typography.
  • Applications requiring advanced typographic features.

Common Use Cases

  • Displaying text in older Windows applications.
  • Ensuring font compatibility with legacy systems.
  • Archiving or referencing fonts from early PC software.

How to Open It

  1. On modern Windows, you might try installing it via the Fonts control panel, though support is not guaranteed.
  2. Use specialized font management tools or converters that support legacy formats.
  3. Virtual machines running older Windows versions (like Windows 3.1) can often natively use these fonts.

What is a .bfont file?

The .bfont file format is an older font format primarily used by Microsoft operating systems, particularly in the Windows 3.x era. It's a binary representation of font data, containing glyph information, metrics, and kerning pairs. While functional for its time, it has largely been superseded by more advanced and widely supported font technologies like TrueType and OpenType. You might encounter .bfont files when dealing with legacy systems or specialized applications requiring compatibility with older Windows versions. Opening and managing these fonts usually requires specific tools designed for older font formats.

Programs That Open .bfont Files

PlatformProgram
WindowsWindows Fonts FolderFreeOfficial

How to Convert .bfont Files

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

Common Problems with .bfont Files

⚠️ .bfont files may not display correctly or install on modern operating systems.
Use a font converter tool to convert the .bfont to a more modern format like TTF or OTF before installation.
⚠️ Limited software support for editing .bfont files.
Convert the font to an editable format like TTF/OTF and use advanced font editors like FontForge.

Frequently Asked Questions

Is .bfont a modern font format?▼

No, .bfont is an older, proprietary binary font format primarily used in early Microsoft Windows versions and is largely outdated.

Can I use .bfont files on websites?▼

No, .bfont files are not suitable for web use. Modern web fonts like WOFF and WOFF2 are required for web compatibility.

How do I convert a .bfont file?▼

You can use font editing software like FontForge or various online font converter tools to convert .bfont files to formats like TTF or OTF.

Technical Details

The .bfont format stores font outlines and metrics in a binary structure, making it compact but not easily human-readable or editable. It's a proprietary format developed by Microsoft and is a predecessor to widely adopted standards. File analysis shows it contains specific tables for character definitions, spacing, and other typographic attributes.

Did You Know?

The .bfont format was part of Microsoft's early efforts to standardize digital typography on Windows.
Many .bfont files are specific to certain applications, making them less universally applicable than system fonts.

Security Information

As an older font format, .bfont files themselves typically do not pose significant security risks. However, always download files from trusted sources to avoid potential malware bundled with them. Ensure your operating system and font viewers are up-to-date.