| .AAF | Avid Technology | Ficheiros de Vídeo | Advanced Authoring Format File | Avid Pro Tools | Avid Technology |
| .AAXPLUGIN | Avid Technology | Ficheiros Plugin | Pro Tools Audio Plugin | Avid Pro Tools | Avid Technology |
| .ALE | Avid Technology | Ficheiros de Vídeo | Avid Log Exchange File | Avid Media Composer | Avid Technology |
| .AVB | Avid Technology | Ficheiros de Vídeo | Avid Bin File | Avid Media Composer | Avid Technology |
| .AVC | Kaspersky Lab | Ficheiros de Dados | Kaspersky Virus Database File | Avid Media Composer | Avid Technology |
| .AVE | Avid Technology | Ficheiros de Configurações | Avid User File | Avid Media Composer | Avid Technology |
| .AVP | Avid Technology | Ficheiros de Vídeo | Avid Project File | Avid Media Composer | Avid Technology |
| .AVS | Adobe Systems Incorporated | Ficheiros de Dados | Adobe Photoshop Variations File | Avid Media Composer | Avid Technology |
| .AVX | Avid Technology | Ficheiros Plugin | Avid Plugin File | Avid Media Composer | Avid Technology |
| .DDB | Avid Technology | Ficheiros de Dados | Digidesign Database | Avid Pro Tools | Avid Technology |
| .DIG | Various Developers | Ficheiros de Áudio | Sound Designer Audio File | Avid Pro Tools | Avid Technology |
| .DPM | Avid Technology | Ficheiros Plugin | Pro Tools Plugin File | Avid Pro Tools | Avid Technology |
| .EDL | Avid Technology | Ficheiros de Vídeo | Edit Decision List File | Avid Media Composer | Avid Technology |
| .HFO | Avid Technology | Ficheiros de Dados | Pinnacle Hollywood FX Object | Pinnacle Hollywood FX | Avid Technology |
| .HFX | Smith Micro Software | Ficheiros de Dados | HotFax Data File | Pinnacle Hollywood FX | Avid Technology |
| .MDB | Microsoft Corporation | Ficheiros de Base de Dados | Microsoft Access Database | Avid Media Composer | Avid Technology |
| .MIDI | Synthesia LLC | Ficheiros de Áudio | MIDI File | Avid Sibelius | Avid Technology |
| .MXF | SMPTE | Ficheiros de Vídeo | Material Exchange Format File | Avid Pro Tools | Avid Technology |
| .OMF | Avid Technology | Ficheiros de Áudio | Open Media Framework File | Avid Pro Tools | Avid Technology |
| .PIM | Avid Technology | Ficheiros Plugin | Pro Tools Controller Plug-in Mappings File | Avid Pro Tools | Avid Technology |
| .PIO | Avid Technology | Ficheiros de Configurações | Pro Tools I/O Settings File | Avid Pro Tools | Avid Technology |
| .PLG | Microsoft Corporation | Ficheiros de Desenvolvedor | Visual Studio Build Log File | Avid Sibelius | Avid Technology |
| .PMR | Avid Technology | Ficheiros de Dados | Avid Persisent Media Record File | Avid Media Composer | Avid Technology |
| .PT4 | Adobe Systems Incorporated | Ficheiros de Texto | Adobe PageMaker 4 Template | Avid Pro Tools | Avid Technology |
| .PTF | Sony | Ficheiros de Configurações | PSP Theme File | Avid Pro Tools | Avid Technology |
| .PTP | Avid Technology | Ficheiros de Configurações | Pro Tools Preferences File | Avid Pro Tools | Avid Technology |
| .PTS | Avid Technology | Ficheiros de Áudio | Pro Tools Session | Avid Pro Tools | Avid Technology |
| .PTT | Avid Technology | Ficheiros de Áudio | Pro Tools Session Template | Avid Pro Tools | Avid Technology |
| .PTX | Adobe Systems Incorporated | Ficheiros de Fonte | PageMaker Template File | Avid Pro Tools | Avid Technology |
| .R3D | Various Developers | Ficheiros de Vídeo | REDCODE Video File | Avid Media Composer | Avid Technology |
| .REX | Propellerhead | Ficheiros de Áudio | ReCycle Loop File | Avid Pro Tools | Avid Technology |
| .RX2 | Propellerhead | Ficheiros de Áudio | ReCycle Loop File | Avid Pro Tools | Avid Technology |
| .S7 | Avid Technology | Ficheiros de Áudio | Sibelius Music Notation | Avid Sibelius | Avid Technology |
| .SAR | Commodore International | Ficheiros de Imagem Raster | Saracen Paint Image | Avid Sibelius | Avid Technology |
| .SCL | Avid Technology | Ficheiros de Dados | Sibelius Chord Diagram Library | Avid Sibelius | Avid Technology |
| .SCO | MR Software | Ficheiros de Jogo | OMSI Scenery Object Configuration File | Avid Sibelius | Avid Technology |
| .SD | Various Developers | Ficheiros de Áudio | Sound Designer Audio File | Avid Pro Tools | Avid Technology |
| .SD2 | Avid Technology | Ficheiros de Áudio | Sound Designer II File | Avid Pro Tools | Avid Technology |
| .SD2F | Avid Technology | Ficheiros de Áudio | Sound Designer II File | Avid Pro Tools | Avid Technology |
| .SFS | Open Source | Ficheiros Compactados | Squashfs File Archive | Avid Sibelius | Avid Technology |
| .SIB | Avid Technology | Ficheiros de Áudio | Sibelius Score | Avid Sibelius | Avid Technology |
| .STL | 3D Systems | Ficheiros CAD | Stereolithography File | Avid Media Composer | Avid Technology |
| .TFX | Avid Technology | Ficheiros de Configurações | Pro Tools Eleven Rack Plugin Preset File | Avid Pro Tools | Avid Technology |
| .WFM | Avid Technology | Ficheiros de Áudio | Pro Tools Wave Cache File | Avid Pro Tools | Avid Technology |
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