There are 13 other file types using
the BDF file extension!

bdf icon.bdf - Adobe Glyph Bitmap Distribution Format

empty icon.bdf - West Point Bridge designer data

empty icon.bdf - Backup definition data

bdf icon.bdf - Brother BES-100E data

empty icon.bdf - E-Mail Detective binary data fragment

empty icon.bdf - NEi Nastran bulk data

empty icon.bdf - Quartus II block design file

empty icon.bdf - TXRDWIN X-ray diffraction pattern

empty icon.bdf - UNIX font

empty icon.bdf - X11 Bitmap Distribution Format

empty icon.bdf - MIDAS BDF disk image

empty icon.bdf - SmartWare backup definition file

empty icon.bdf - Okino Transfer File Format

BDF file extension - Bdiff Bupdate binary update

What is bdf file? How to open bdf files?

File type specification:

Binary file type icon Binary file type

File extension bdf is also used by Bdiff engine. Bdiff creates a binary difference between two files. On unix like systems, many people use diff and patch to update source files. They are very powerful for "line oriented" data. However, they are incapable of handling binary data.

Modifying a single line in source file amounts to a considerable difference in its compiled object. Calling address, variable address, segment value, they will all change even when object's structure remains similar.

Bdiff creates the difference of two objects. Suppose, the difference will be much smaller than whole new object file. With bupdate and "old object file", you can create new object file from the difference file.

Help how to open:

Not meant to be opened directly, but rather uploaded to proper update tool.

How to convert:

It is unlikely that this file type can be converted to anything useful.

Related links:

BDIFF/BUPDATE documentation

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