D07/*/
A Genesis button file. Genesis is the "Free/
form" database that comes free with the/
Learning Curve. This contains the actions/
that happen when a button is clicked.%

D08/*/
A Genesis script file. Genesis is the "Free/
form" database that comes free with the/
Learning Curve. This file is a saved piece/
of Genesis language.%

D09/*/
A Tween action file. Tween is produced by Ace/
and is one of their Euclid add ons. It/
generates the in between frames in a/
transformation from one object to another.%

D0B/*/
A First Word Plus printer configuration file./
1stWord+ has an internal printer driver, and/
these can be used to set it up for one type/
of printer.%

D0C/*/
A First Word Plus dictionary. This is a list/
of (hopefully) correctly spelt words, against/
which it checks the words in your document,/
noting any it can't find in the dictionary.%

D10//
A SatPict file.%

D11//
A pointers file.%

D12//
A DBRiscOS file.%

D13//
A Batch file.%

D14//
A Mitre C Frontend make file.%

D15//
A Mitre C Frontend linker driver.%

D16//
A 1K Mode 7 screen image.%

D17//
A CommunITelFrame CmunITel (XOB) file. Your/
guess is as good as (if not better than) mine.%

D18//
A Quest file.%

D19/*/
A !Menu file. Menu can be used to create a/
spiffy front end for a disc which has lots of/
different programs. Used by Archimedes World/
for their cover discs.%

D1A//
A Vision Six Grid file.%

D1B//
A Vision Six frame file.%

D1C/*/
An ArcScan data file. ArcScan is a clever/
index of all the articles and programs that/
have appeared in Risc User.%

D1D//
A LabelMaster+ labels file. Sounds to me/
rather like an application for producing/
labels that look pretty.%

D1E/*/
An Investigator 2 Dump file. Investigator 2/
is a disc copier which can be used to back up/
anything but itself (supposedly).%

D1F//
An Atomwide PAL programmer fuse image.%

D20//
An Atomwide APEC ROM image.%

D21/*/
A PipeDream Macro file. PipeDream is a/
WordProcessor, Spread Sheet, DTP package, and/
it probably makes the tea, too. A Macro is a/
user defined keyboard shortcut.%

D22//
A LispText file.%

D23//
A Lisp file.%

D24//
A Premier data file.%

D25//
A Premier Command file.%

D26//
A Premier Document file.%

D27//
A GIdata file.%

D28//
A GIPAL file.%

D29//
A Proman file. What Proman is or does is a/
complete mystery to me.%

D2A//
A magazine file.%

D2B/*/
An Atelier sequence file. Atelier is a rather/
sexy Art Package with a horrible user/
interface. This file belongs to the sequencer/
you get with it.%

D2C//
A Clares' ARMInst file.%

D2D//
A SoftWare Solution's implementation of a DOS/
file.

D2E/*/
A Presenter file. Software Solutions' graph/
plotting package.%

D2F//
ArcComm mailbox text (binary).%

D30//
An ArcComm procedure (text) or a Minerva/
Desktop office DToComms file.%

D31//
An ArcComm VideoText Profile1 (Bildscgirmtext)/
frame store.%

D32/*/
A Hearsay ProFile2. Hearsay is by David/
Pilling. I'm not sure what it does though./
This file type contains CEPT2 (Minitel)/
frames.%

D33/*/
A Profile3 for David Pilling's Hearsay./
This contains CEPT3 frames.%

D34//
A MacroLib. Probably a library of macros, but/
for which application I don't know.%

D35//
A Sheet file. That's all I know.%

D36//
A Dabs Press Captured file.%

D37//
A Dabs Press Compressed file.%

D38//
A Dabs Press Screen file.%

D39/*/
An Atelier Formulae file. This contains the/
formulae for various complex shapes, allowing/
you to wrap images around them.%

D3A/*/
An Atelier Patterns file. A set of saved/
brushes or fills.%

D3B/*/
An Armadeus song. Armadeus is produced by/
Clares, and can be used for taking samples/
(if you have a sampler), and manipulating/
them. This is a song made from those samples.%

D3C/*/
An Armadeus Sample. Armadeus is Clares'/
software control for taking samples (you need/
a sampler), and manipulating them.%

D3D//
An Instigator OSVars file. Instigator is by/
Dabs Press.%

D3E//
An Instigator FNKeys file. Instigator is by/
Dabs Press.%

D3F//
An Instigator FSPaths file. Insigator is by/
Dabs Press.%

D40/*/
A PenDown Logotron file. This is a document/
prepared or imported into PenDown, which is a/
Word Processor.%

D41/*/
A PenDown WordList file or an output file from/
Numerator. The WordList is a dictionary of/
correctly spelt words for checking against/
those in your document.%

D42//
A Numerator Input file. Numerator is by/
Longman Logotron.%

D43//
A Numerator Module. Numerator is by Longman/
Logotron.%

D44//
A Numerator Workspace file. Numerator is by/
Longman Logotron.%

D45//
A Longman Logotron Hyperbook or Numerator/
vocabulary.%

D46//
A HyperBook Glossary file. Hyperbook is a/
standard "free form" database on the Mac.%

D47//
A HyperBook Index file. Hyperbook is a /
standard "free form" database on the Mac.%

D48//
A HyperBook note file. Hyperbook is a /
standard "free form" database on the Mac.%

D49//
A HyperBook Book. Hyperbook is a /
standard "free form" database on the Mac.%

D4A//
An ACE computing I-APL file.%

D4B//
A DigiSim file.%

D4C//
An Irlam SpScan file.%

D4D//
An Archway file. Archway is Simtron's first/
DIY programming suite, followed up by the/
filetype gobbling Archway2.%

D4E//
A Digital Services tape archive.%

D4F//
A colour file for Virtual Palette by Dabs/
Press.%

D50/*/
An ISO C Debug file. ISO stands for the/
International Standards Organisation, which/
is ignored only by the yanks, who have the/
American National Standards Institute (ANSI).%

D51/*/
An ISO C Library. This contains procedures/
a programmer would want to access from more/
than one program, so they've been put in a/
library where they can be looked up.%

D52/*/
An ISO C compiled AOF file. AOF stands for/
Archimedes Object Format. This is the code/
that the C compiler generates.%

D53//
A Minerva TimeTable support file.%

D54//
A Minerva TimeTable control file.%

D55//
An AtomWide HyperText file.%

D57/*/
A Render Bender animation. Render is a fast/
Ray Tracer from Clares, which comes with a/
Delta animator, which makes animations from a/
series of images.%

D58/*/
A Render Bender compressed image. Render is a/
Ray tracer produced by Clares.%

D59/*/
A Render Bender scene descriptions file. This/
is a series of commands that Render would/
interpret, and build into a Ray Traced/
picture.%

D5A//
A Burden Neurological institute/
ElectroPhysical Workstation stored graph.%

D5B//
A Burden Neurological Institute/
Electrophysical Workstation default measures/
file.%

D5C//
A BNI Electrophysical Workstation plotter/
defaults file.%

D5D//
A BNI ElectroPhysical Workstation topographic/
map.%

D5E//
A BNI ElectroPhysical Workstation derived/
measures file.%

D5F//
A BNI ElectroPhysical Workstation patient data/
file.%

D60//
A BNI ElectroPhysical Workstation standard/
deviation data file.%

D61//
A BNI ElectroPhysical Workstation/
double-precision data file.%

D62//
A BNI ElectroPhysical Workstation/
single-precision data file.%

D63//
A setup file for David Pilling's Hearsay2.%

D64/*/
A TeleDir file for David Pilling's Hearsay2/
This is a Hearsay2 telephone directory.%

D65/*/
A HsyScript file for David Pilling's/
Hearsay II. This filetype contains a logon/
script file.%

D66//
A PAX picture. Or, a HsyFrame for David/
Pilling's HearsayII, in which case it will/
contain ViewData frames.%

D67/*/
A Matrix3 configuration file.%

D68/*/
A Matrix3 executable file.%

D69/*/
A Matrix3 SpreadSheet file.%

D6A/*/
A Euclid film. Euclid is a 3D object drawing/
package capable of producing some stunning/
results. This is an animated sequence.%

D6B//
A Lendac Data Systems Pluto Compressed Screen.%

D6C//
A Pluto designer picture.%

D6D//
A Pluto old RLE picture.%

D6E//
Pluto BBC font info.%

D6F//
A Pluto BBC font.%

D70//
A Pluto palette.%

D71//
A zaanSoft Forth file.%

D72//
A zaanSoft Forth source.%

D73//
A Mitre DiscTree backup script.%

D74//
A Mitre DiscTree backup.%

D75//
A Mitre Project file.%

D76//
A Mitre Diary file.%

D77//
A Minerva family tree ancilary file.%

D78//
A Minerva famila tree.%

D79//
A saved Minerva 24 bit per pixel screen image.%

D7A//
A 3-D object for some product or other of/
Minerva's.%

D7B//
A System Delta+ (MultiStore) setup file./
MultiStore is Minerva's database.%

D7C//
A Home Accounts file.%

D7D/*/
An Atelier sequence. Atelier is Minerva's/
rather impressive art package which comes/
(for some reason) with a sequencer.%

D7E/*/
An Atelier user defined brush file. Contains/
some user defined ways of drawing things.%

D7F/*/
An Atelier compressed file. This is a/
picture produced on Atelier (a natty art/
package), and then compressed. Needs Atelier/
or some clever code to view.%

D80/*/
An InterWord file. InterWord is a WordPro/
ported from the BBC (or possibly the PC).%

D81//
An InterSheet file. A file for the SpreadSheet/
that goes with InterWord - a ported WordPro.%

D82//
An InterChart file. A file for the graph/
plotter which goes with InterWord - a ported/
WordPro.%

D83/*/
An Impression "ignore" file . This contains/
those words you wish Impression to ignore/
when it spellchecks a document.%

D84/*/
An Impression Dictionary. This contains a/
list of words for the spell checker to check/
against.%

D87/*/
The style and page data for an Impression/
document. Impression is the best DTP package/
around, made by Computer Concepts.%

D88/*/
An Impression stories file. This contains the/
layout data and the actual text of an/
Impression document. Impression is the best/
DTP package, and is made by Computer Concepts.%

D89/*/
An Impression Imodule. This allows you to/
import documents form other Word Pros, or/
export them to printers.%

D8A/*/
An Impression exceptions file. This controls/
where words are split when they are/
hyphenated.%

D8B/*/
An Impression abbreviation file. Any/
abbreviations listed here will be expanded to/
their full listed meaning.%

D8C//
An Impression2 settings file. Impression2 is/
a rather impressive DTP package from Computer/
Concepts.%

D8E/*/
An Impression ABI definition file.%

D91/*/
An Equasor Equations File. Equasor is a/
package which allows you to include complex/
mathmatical symbols in passages of text.%

D96/*/
A file compressed by !CFS. This stands for/
Compressed File System, and if you have a/
CFS reader loaded then the files can be run/
from compaction.%

DAE//
A Fourier transform file.%

DAF/*/
A D.A.Fell soundsample (used by Magpie), or a/
VPalette, whatever one of those may be.%

DB0/*/
A Lotus 1-2-3 file. Lotus is a mainly PC/
database, which has been assigned an Arc file/
type so that files can be safely imported.%

DB1//
A Dbase index. Dbase is a popular PC/
database. This contains a list of files which/
are related. It can be used instead of (or/
with) directories to segregate your files.%

DB2//
A DBase II file. DBase is a popular PC/
database. This is probably a data file.%

DB3//
A DBase III file. DBase is a popular PC/
database. This is probably a data file.%

DB4//
A SuperCalc III file. SuperCalc is a PC/
spreadsheet.%

DB5//
A Silicon Vision DataVision file.%

DB6//
A Minerva Desktop Office DToBase file.%

DB7/*/
A Squirrel database data file. In SQL format.%

DC0/*/
A Studio 24+ song file. This contains all the/
info pertaining to a song generated by Studio/
24+, EMR's sequencing software.%

DC1/*/
A Studio 24+ pattern file. Studio 24+ is/
EMR's sequencing software. Patterns are made/
up of 24 tracks (hence the name), and can be/
arranged to form a complete song.%

DC2/*/
A Studio 24+ track file./
Studio 24+ is EMR's sequencing proggy. A/
track is usually a sequence of notes for one/
instrument. EG A bass or melody line.%

DC3/*/
A Studio 24+ arrangements file./
Studio 24+ is EMR's sequencing software. This/
file contains a particular sequence of/
patterns, but not the pattern data itself.%

DC4/*/
A Studio 24+ voice set file./
Studio 24+ is EMR's sequencing software./
Voice set files contain info about a/
collection of S24+ waveform files.%

DC5/*/
A Studio 24+ conductor file./
Studio 24+ is EMR's sequencing software. This/
type contains info about changes of tempo/
in a song.%

DC6/*/
A Studio 24+ clipboard file./
It contains various "clipped" bits of music./
Studio 24+ is EMR's sequencing software.%

DC7//
An ElectroMusic Research (EMR) Rhythm file.%

DC8//
An ElectroMusic Research (EMR) Graphic file.%

DC9/*/
A Studio 24 file.%

DCA/*/
A Studio 24+ graphics file./
Studio 24+ is EMR's sequencing software.%

DCB/*/
A Studio 24+ Drumlist, MidiList or ClipList/
file. Dlist matches note pitch to drum name./
MList matches voice name to program number./
CList A sequence for clipboard snippets.%

DCC//
An ElectroMusic Research (EMR) arrange file.%

DCD//
An ElectroMusic Research (EMR) track.%

DCE//
An ElectroMusic Research (EMR) Pattern.%

DCF//
An ElectroMusic Research (EMR) Song.%

DD0//
A Burden Neuralogical Institute Monitor system/
information file.%

DD1//
A Pluto font information file.%

DD2//
A Pluto font.%

DD3//
A Millipede Prisma3 file.%

DD4//
Saved output from Clares' HardDisc archiver.%

DD5//
A Clares' HardDisc Archiver backup log.%

DD6//
A PAX picture.%

DD7/*/
A Pro-Artisan Bezier file. This contains the/
data for an object made of bezier curves,/
using the (terrible) bezier editor in ProArt/
These can be re-sized anywhere on the screen.%

DD8/*/
A Pro-Artisan Font File. This contains a font/
(bitmapped) used in ProArt.%

DD9/*/
A Pro-Artisan Magic Brush file. The magic/
brush allows colours to be changed, rotated/
or swapped. You can save particuarly large or/
disgusting settings for future delectation.%

DDA/*/
A Pro-Artisan colourset file. The coloursets/
are used for graded shadings. You can save/
your favourite psychedelic colour sets for/
later use. (or abuse).%

DDB//
A Mapdata file.%

DDC/*/
An archived file. This is the Archimedes file/
type for compressed files. These files can be/
read by David Pilling's Spark and SparkPlug,/
or by ArcFS.%

DDE/*/
A PipeDream file. Just some data saved in a/
pipedream format. PipeDream is a WordPro and/
spreadsheet.%

DDF/*/
A Logistix file, an index produced by/
Archimedes World's disc indexing program/
DiskMan, or a Sibelius music file from/
Genesis.%

DE0//
A Sibelius information file from Genesis.%

DE1/*/
A Euclid object. Euclid is a 3D drawing/
package produced by Ace, capable of some/
excellent results. This is one saved object.%

DE2/*/
A Picture compressed by Clares' Pro-Artisan./
Pro-Artisan is Clares mode 15 version of/
their art package Artisan.%

DE3//
A Minerva System Sigma Macro.%

DE4//
A SigmaSheet SpreadSheet file.%

DE5//
A Minerva System Gamma Macro.%

DE6//
A Minerva System Gamma graph file.%

DE7//
A SystemDelta+ Form file.%

DE8//
A SystemDelta+ Data file.%

DE9//
An AutoSketch SKD file. AutoSketch is a CAD/
package, first produced under Arthur.%

DEA//
A DXF file. This is a fairly standard CAD/
file format, and can be used to import and/
export information to other computers and CAD/
packages.%

DEB//
An AutoSketch PLT file. AutoSketch is a CAD/
package, first produced under Arthur.%

DEC/*/
A disc record file from !Recover or an/
AutoSketch SLD file. Disc records allow the/
accompanying !DiscEd to examine foreign disc/
formats, by recording all the salient facts.%

DED//
An AMS Finesse Paint file.%

DEE//
An AMS Finesse Paint canvas file.%

DEF//
An AMS Finesse paint Pattern file.%

DF0//
An AMS Finesse paint Font file.%

DF9/*/
A studio 24+ waveform file./
Studio 24+ is EMR's sequencing software./
This is a "sample" which can be used as an/
instrument by S24+.%

DFA/*/
A Watford Video digitiser picture. The/
Watford digi is black and white only, but/
instant grab. These files can be displayed by/
Translator.%

DFB//
A Watford Video Digitiser lookup file. Can't/
say I've ever met one of these, even though/
I've used the Watford Digitiser rather a lot.%

DFC//
A file of extensions for the LOGO language.%

DFD//
A DIF file, whatever that may be.%

DFE/*/
A Comma Separated Variable (CSV) file. This/
is a standard way of saving data, with a/
comma between each separate datum.%

DFF/*/
A Logistix data file.%