Files with d suffix may also potentially be old audio files from from AT&T Bell Laboratories. Most likely obsolete.

There are 5 other file types using
the D file extension!

empty icon.d - ChemDraw chemical modeller output file

empty icon.d - D Programming Language source code

empty icon.d - Dialect source code

empty icon.d - Infinity Engine dialogue data

empty icon.d - UFO: Enemy Unknown game data

Bookmark & share this page with others:

D file extension - SPPACK audio

What is d file? How to open d files?

File type specification:

Audio and sound file type icon Audio and sound file type

File extension d seems to also have been used for old SPPACK audio format from AT&T Bell Laboratories. Most likely had some kind special use, like saving speech, but it is no longer actively used.

This d file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

Help how to open:

Perhaps some audio editors may still be capable of playing SPPACK audio.

How to convert:

Unfortunately, we do now know about any converter that would be capable of converting d audio files. Nevertheless, it may be possible.

Previous file extension
CWT file extension > Audio and sound file types

Next file extension
file extension D00


Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)

RSS feed