Extensions: 'A'
| Format | Description | Author | File / Link |
|---|---|---|---|
| A.OUT | Unix a.out file format (hp-ux implementation) | Hewlett-Packard | Download |
| ABC | The abc Notation System | Chris Walshaw | Download |
| ABF | Adobe Binary Screen Font Files Specification Version 2.0 (Acrobat) | Adobe | Download |
| AC1D | AC1D packer format | Asle / ReDoX | Download |
| AC3 | AC3 Audio and various digital audio & video standards | Advanced Television Systems Committee | LINK |
| AC97 | Audio Codec '97 soundcard data format | Intel Corporation | Download |
| ACB | Photoshop Color Book File Format (.acb/8BCB) | Ates Goral | Download |
| ACD | Adobe ACD File Format | Nick Boland | Download |
| ACE | ACE Archive format | Marcel Lemke | Download |
| ACORN | Acorn Font Format | Download | |
| Acorn Graphics Formats | Victor Markwart | LINK | |
| ACS | Microsoft Agent Character Data Specification (.acs, .acf, and .aca) | Remy Lebeau | LINK |
| ACT | Photoshop .ACT Color Table Format Specification | skillwaste | Download |
| ADF | Amiga Disk Format | Laurent Clevy | Download |
| Amiga Disk Format FAQ v1.07 | Laurent Clevy | LINK | |
| Arc/Info Binary Grid Format | Frank Warmerdam | Download | |
| ADIF | Amateur Data Interchange Format Specification 1.0 | Download | |
| ADM | Windows ADM policy template files | Microsoft | Download |
| AFM | Adobe Font Metrics File Format Specification Version 4.1 (Acrobat) | Adobe | Download |
| AG | Applixware Graphics file format (.ag) | VistaSource, Inc. | Download |
| AGENT | Forte Agent and FreeAgent data files | Ray Delio | Download |
| AGN | Psion Series 3 Agenda files | Download | |
| AI | Adobe Illustrator(R) File Format Specification Version 7.0 (Acrobat) | Adobe | Download |
| Adobe Illustrator 2.0 Format (Acrobat) | Adobe | Download | |
| Adobe Illustrator 3.0 Draft Format (Acrobat) | Adobe | Download | |
| Utility for creating AI files | LINK | ||
| AIFF | Audio Interchange File Format | Max Maischein | Download |
| C Sourcecode for using AIFF files | Guido van Rossum, Lance Norskog And Others | Download | |
| Audio Interchange File Format v1.2 | Apple Computer, Inc. | Download | |
| AIR | Automated Image Registration AIR and LSM files | LINK | |
| AKAI | Disk and file formats for the Akai S900, S950, S01, S1000 and S3000 MIDI Digital Samplers | Paul Kellett | LINK |
| AKP | Akai S5000 / S6000 Sampler AKP file specification | Seb Francis | Download |
| ALM | Aley's Module Format | Aley Keprt | Download |
| AM | AM Module format description | THOR | Download |
| AMD | AMUSiC Tracker v1.1 | Conqueror | Download |
| AMFF | Amiga Metafile Format | Henk Jonas | Download |
| AMIGA | Amiga file formats page | Laurent Clevy | LINK |
| AMIPRO | AMIPRO Table Structure | Niclas Lindberg | Download |
| AMM | Audio Manager Module 4 | Technomaestro/RDG | Download |
| Audio Manager Module 3.x | Technomaestro/RDG | Download |
How to help
If you have any better information or if you find problems with these files or links please .