SFD

sfd icon

SoundStage sound data

File type: Audio and sound file

Files with sfd file extension can be often found as sound data saved in SoundStage format.

Found 6 different file type records with the same sfd filename suffix.

What is sfd file?

File type category:
Audio and sound file

Date updated: November 10, 2024

Record marked as obsolete and not updated for a long time.

The sfd file extension seems to be used for various audio formats, for example 16-bits mono, stereo sound format.

The sfd file does not only contain audio data, but also related metadata with names, notes or other settings.

How to open sfd file?

Use Awave Studio to open *.sfd SoundStage sound data files.

How to convert sfd file?

Possibly can be exported to other audio formats.

Suggested software to open sfd file:

Associated software actions with the sfd file

Apps designed for playing sfd files:

Microsoft Windows

Crysis game data

File type category:
Game file

Date updated: January 8, 2019

The sfd file extension is associated with the Crysis, a first person shooter video game for Microsoft Windows operating system, developed by CRYTEK.

The sfd file contains various game data.

How to open sfd file?

You cannot open this file type manually, it is accessed by the game automatically.

How to convert sfd file?

These games files cannot be converted to anything else. However, sometimes modding.

Suggested software to open sfd file:

Associated software actions with the sfd file

Software applications that handle other tasks involving sfd files:

Microsoft Windows

Fontforge Spline Font database file format

File type category:
Font and typeface file

Date updated: April 17, 2024

The SFD file extension is associated with FontForge, a font creating and editing program, and used for its default output format that contains whole font database with all information needed to recreate the font.

How to open sfd file?

Use Fontforge Spline to open *.sfd database file format.

Suggested software to open sfd file:

Associated software actions with the sfd file

Software applications that can open sfd files:

Multiplatform

Software applications that can edit sfd files:

Multiplatform

Software capable of saving sfd files:

Multiplatform

Software apps that create sfd files:

Multiplatform

Software apps that import sfd files:

Multiplatform

On-line services

Software applications that handle other tasks involving sfd files:

Multiplatform

PDP-10 sub file directory

File type category:
Various data file

Date updated: September 30, 2026

The PDP-10 was a mainframe computer manufactured by Digital Equipment Corporation (DEC) from the late 1960s onward. Its name stands for "Programmed Data Processor model 10". The system helped make time-sharing common and became influential in hacker culture because many universities and research laboratories adopted it in the 1970s, including MIT's AI Lab and Project MAC, Stanford's SAIL, Computer Center Corporation (CCC), and Carnegie Mellon University.

A PDP-10 file system used subfile directories to organize files. An SFD file is part of that system and is intended for use by PDP-10 software and operating-system tools, not as a standalone file for modern desktop applications.

The PDP-10 architecture was almost identical to the earlier PDP-6 architecture. Both used a 36-bit word length, while the PDP-10 slightly extended the instruction set with improved hardware implementation. Its instruction set included distinctive byte instructions that operated on arbitrarily sized bit fields; at the time, a byte did not necessarily contain eight bits. The SFD format is now a legacy format associated with PDP-10 systems.

How to open sfd file?

An SFD file cannot normally be opened in a modern desktop application. It should be accessed from the PDP-10 system and file-system software that created it.

Opening the file as ordinary text will not provide a meaningful view of the subfile directory. A PDP-10 specialist may be able to inspect it using tools for the original system.

How to convert sfd file?

An SFD file is file-system metadata rather than a document or media file. To move the files it describes, use the original system or compatible PDP-10 file-system software to copy or export those files individually to a format supported by the destination system. The SFD file itself normally does not need to be converted.

PowerHouse Subfile dictionary

File type category:
Various data file

Date updated: January 14, 2019

The sfd file extension is associated with the IBM PowerHouse, a programming language, originally introduced in 1984 by Quasar Corporation and used by various companies.

The sfd file stores dictionary used by the IBM PowerHouse.

How to open sfd file?

Probably not meant to be accessed by the user.

How to convert sfd file?

Probably cannot be converted to anything else.

Suggested software to open sfd file:

Associated software actions with the sfd file

Software applications that can open sfd files:

Multiplatform

Software applications that handle other tasks involving sfd files:

Multiplatform

Sofdec Sega Dreamcast movie

File type category:
Game file

Date updated: April 2, 2019

Record marked as obsolete and not updated for a long time.

The sfd file extension is associated with the video format used by gaming console Sega Dreamcast.

Most likely some old format without support from developer. No further information could be found.

Related file extensions