| .DV4 | Bosch Security Systems | Pliki wideo | Bosch Security Systems CCTV Video File | Bosch Security Systems Archive Player | Bosch Security Systems |
| .DVDRIP | Unknown Developer | Pliki wideo | DVD Disk Image | Unknown Software | Unknown Developer |
| .DVM | Open Source | Pliki wideo | DVM Movie File Format | DVM development kit | Open Source |
| .DVR | Microsoft Corporation | Pliki wideo | Microsoft Recorded TV Show | VLC Media Player | VideoLAN |
| .DVR-MS | Microsoft Corporation | Pliki wideo | Microsoft Digital Video Recording | CyberLink PowerDVD | CyberLink |
| .DVT | inData | Pliki wideo | DepoView Digital Video Transcript | DepoView | inData |
| .DVX | DivX, LLC. | Pliki wideo | DivX Video File | CyberLink PowerDVD | CyberLink |
| .DXR | Adobe Systems Incorporated | Pliki wideo | Protected Macromedia Director Movie | Adobe Director | Adobe Systems Incorporated |
| .DZP | CyberLink | Pliki wideo | DirectorZone Particle Effect File | CyberLink PowerDirector 15 Ultra | CyberLink |
| .DZT | CyberLink | Pliki wideo | DirectorZone Title File | CyberLink PowerDirector 15 Ultra | CyberLink |
| .ECF | Microsoft Corporation | Pliki wideo | Outlook Add-in | Microsoft Outlook | Microsoft Corporation |
| .EDL | Avid Technology | Pliki wideo | Edit Decision List File | Adobe Premiere Pro CC | Adobe Systems Incorporated |
| .EPJ | Grass Valley | Pliki wideo | EDIUS Pro Project File | Thomson EDIUS | Grass Valley |
| .EVA | Unknown Developer | Pliki wideo | Viz Modeler 3D Scene Archive File | Unknown Software | Unknown Developer |
| .EVO | eZuce SRN | Pliki wideo | SeeVogh Player Video Recording | SeeVogh Player | eZuce SRN |
| .EXO | YouTube | Pliki wideo | YouTube Video Chunk File | YouTube | YouTube |
| .EYE | EyeMail Technology Inc. | Pliki wideo | Eyemail Video Recording File | ETI Monet TV | EyeMail Technology Inc. |
| .EZT | EZTitles Development Studio | Pliki wideo | EZTitles Subtitles File | EZTitles | EZTitles Development Studio |
| .F4P | Adobe Systems Incorporated | Pliki wideo | Adobe Flash Protected Media File | Adobe Flash Player | Adobe Systems Incorporated |
| .F4V | Adobe Systems Incorporated | Pliki wideo | Flash MP4 Video File | Adobe Flash Player | Adobe Systems Incorporated |
| .F4X | Adobe Systems Incorporated | Pliki wideo | Adobe HTTP Dynamic Streaming Index File | HTTP Dynamic Streaming | Adobe Systems Incorporated |
| .FBR | Blueberry Software | Pliki wideo | FlashBack Screen Recording | Blueberry FlashBack | Blueberry Software |
| .FCM | fcraft.net | Pliki wideo | fCraft World File | fCraft | fcraft.net |
| .FFD | Microsoft Corporation | Pliki wideo | SharePoint FFDDumper Log | Microsoft Notepad | Microsoft Corporation |
| .FFM | FFmpeg team | Pliki wideo | FFmpeg Stream File | FFmpeg | FFmpeg team |
| .FLC | Autodesk, Inc. | Pliki wideo | FLIC Animation | Apple QuickTime Player | Apple |
| .FLH | Apple | Pliki wideo | FLIC Animation File | Apple QuickTime Player | Apple |
| .FLI | Autodesk, Inc. | Pliki wideo | FLIC Animation | Apple QuickTime Player | Apple |
| .FLM | Image-Line | Pliki wideo | FL Studio Mobile Song File | Image-Line FL Studio | Image-Line |
| .FLUX | Interscape | Pliki wideo | FluxTime Studio Clip | FluxTime Studio | Interscape |
| .FLV | Adobe Systems Incorporated | Pliki wideo | Animate Video File | Adobe Animate CC 2017 | Adobe Systems Incorporated |
| .FLX | Autodesk, Inc. | Pliki wideo | FLIC Animation | Apple QuickTime Player | Apple |
| .FM2 | Open Source | Pliki wideo | FCEUX Movie File | FCEUX | Open Source |
| .FMC | Interscape | Pliki wideo | FormConnect Form File | FormConnect | Interscape |
| .FPB | Ternion Corporation | Pliki wideo | FLAMES Playback Recorder Data | FLAMES | Ternion Corporation |
| .FR | Sublime HQ Pty Ltd | Pliki wideo | French Language Translation | Notepad++ | Don Ho |
| .FSV | Open Source | Pliki wideo | FreeSWITCH Video Data | FreeSWITCH | Open Source |
| .FVT | Fast Search & Transfer ASA | Pliki wideo | FAST Search & Transfer Video File | Unknown Software | Unknown Developer |
| .G2M | Citrix Systems | Pliki wideo | GoToMeeting Recording File | Citrix XenApp | Citrix Systems |
| .G64 | Genetec Inc | Pliki wideo | Genetec Video File | Security Center Omnicast | Genetec Inc |
| .GCS | Dolphin Emulator Project | Pliki wideo | GameCube SharkSave File | Dolphin (emulator) | Dolphin Emulator Project |
| .GIR | Open Source | Pliki wideo | Gens Plus! Movie Capture | Gens Plus! | Open Source |
| .GL | John Bridges | Pliki wideo | GRASP Animation | Dassault Systemes CATIA | Dassault Systèmes |
| .GLH | Morrison Software | Pliki wideo | Gallery Lock Pro Locked Video | Gallery Lock Pro | Morrison Software |
| .GMM | GGMMTV Ltd | Pliki wideo | Global Mobile Media Media Data | GMT Player | GGMMTV Ltd |
| .GMT | Image Space Incorporated | Pliki wideo | rFactor Model File | Zanoza ZModeler | Zanoza Software |
| .GOM | GOM & Company | Pliki wideo | GOM Media File | GOM Player | GOM & Company |
| .GRASP | John Bridges | Pliki wideo | GRASP Animation | Dassault Systemes CATIA | Dassault Systèmes |
| .GTS | Ucamco | Pliki wideo | Gerber Top Solder Mask Data File | Altium Designer | Altium |
| .GVI | Google | Pliki wideo | Google Video File | Eltima Elmedia Player | Open Source |
| .GVP | Google | Pliki wideo | Google Video Pointer | VLC Media Player | VideoLAN |
| .GXF | Grass Valley | Pliki wideo | General eXchange Format File | Zoom Player | Inmatrix Media Solutions |
| .H264 | Ulead Systems | Pliki wideo | H.264 Encoded Video File | CyberLink PowerDVD | CyberLink |
| .H3R | Panasonic Corporation | Pliki wideo | Panasonic Video Camera File | Security Panasonic Cameras | Panasonic Corporation |
| .H64 | VideoLAN | Pliki wideo | Audioless H.264 Video File | VLC Media Player | VideoLAN |
| .HDMOV | Apple | Pliki wideo | QuickTime HD Movie File | Microsoft Windows Media Player | Microsoft Corporation |
| .HDV | JVCKenwood Group | Pliki wideo | High Definition Video Format | MAGIX Vegas | Magix Software GmbH |
| .HEVC | Moving Picture Experts Group | Pliki wideo | High Efficiency Video Coding File | VLC Media Player | VideoLAN |
| .HKV | EazzyDV Electric Ltd. | Pliki wideo | Eyesight IP Camera Video | SYSM Monitor | EazzyDV Electric Ltd. |
| .HLS | EA Maxis | Pliki wideo | SimCity 4 Hitlist | Electronic Arts SimCity 4 | Electronic Arts |
| .HLV | Unknown Developer | Pliki wideo | Multimedia File | QQ Player | Tencent Holdings Limited |
| .HNM | Cryo Interactive Entertainment | Pliki wideo | Cryo HNM Movie Soundtrack | Unknown Software | Unknown Developer |
| .HSR | HS-Soft | Pliki wideo | RezeptAssist Exported Data | RezeptAssist | HS-Soft |
| .HUP | Haihaisoft | Pliki wideo | Haihaisoft DRM-X Protected Video | DRM-X | Haihaisoft |
| .IFO | Various Developers | Pliki wideo | DVD-Video Disc Information File | CyberLink PowerDVD | CyberLink |
| .IFV | Intel Corporation | Pliki wideo | Indeo Video Format File | Microsoft Windows Media Player | Microsoft Corporation |
| .IMOVIEPROJ | Apple | Pliki wideo | iMovie Project File | Roxio Toast 15 | Roxio |
| .INP | Concept Software | Pliki wideo | Urdu InPage Document | Urdu InPage | Concept Software |
| .IPR | Flexera Software | Pliki wideo | InstallShield Project | InstallShield | Flexera Software |
| .IRF | iView Technology | Pliki wideo | CCTV DVR H.264 Video File | iVIEW Technology Irftool | iView Technology |
| .ISM | Microsoft Corporation | Pliki wideo | IIS Smooth Streaming Manifest File | Microsoft IIS | Microsoft Corporation |
| .ISMV | Microsoft Corporation | Pliki wideo | Smooth Streaming MPEG-4 Multimedia Fragment | Smooth Streaming | Microsoft Corporation |
| .IVA | Unknown Developer | Pliki wideo | Surveillance Video File | Unknown Software | Unknown Developer |
| .IVF | Intel Corporation | Pliki wideo | Indeo Video Format File | Microsoft Windows Media Player | Microsoft Corporation |
| .IVR | RealNetworks | Pliki wideo | Internet Video Recording | RealNetworks RealTimes | RealNetworks |
| .IVS | Thomas d'Otreppe de Bouvette | Pliki wideo | Initialization Vector File | Aircrack-ng | Thomas d'Otreppe de Bouvette |
| .J2V | Epic Games | Pliki wideo | Jazz Jackrabbit 2 Cinematic File | Jazz Jackrabbit 2 | Epic Games |
| .JDR | POSIS-IROAD HONG KONG | Pliki wideo | IROAD Dash Cam Video File | IROAD WiFi PC viewer | POSIS-IROAD HONG KONG |
| .JLA | VideoCentric | Pliki wideo | VisualPro Bitmap Image | VisualPro | VideoCentric |
| .JMF | Chain Studios | Pliki wideo | Jackhammer Project | J.A.C.K | Chain Studios |
| .JMM | JVCKenwood Group | Pliki wideo | JVC Recorded Multimedia Data | JVC Devices | JVCKenwood Group |
| .JPF | Joint Photographic Experts Group | Pliki wideo | JPEG 2000 Image | Adobe Illustrator CC | Adobe Systems Incorporated |
| .JSS | SourceForge | Pliki wideo | JavaScript Style Sheet File | JSS (Javascript Style Sheets) | SourceForge |
| .JVC | JVCKenwood Group | Pliki wideo | Digital Camera File | Unknown Software | Unknown Developer |
| .KMV | Nero AG | Pliki wideo | Mobile DJ Video File | CyberLink PowerDVD | CyberLink |
| .KUX | FFmpeg team | Pliki wideo | Multimedia Data | FFmpeg | FFmpeg team |
| .LRV | Konica Minolta | Pliki wideo | Konica Minolta Data Management Software Stored File | Konica Minolta Data Management Software | Konica Minolta |
| .LSF | Interscape | Pliki wideo | Logos Library System File | Logos Bible Software | Interscape |
| .LSX | Microsoft Corporation | Pliki wideo | Streaming Media Shortcut | Microsoft Windows Media Player | Microsoft Corporation |
| .LZA | Brian Strack Jensen | Pliki wideo | Lempel-Ziv-Oberhumer Compressed Animation | Lzanim | Brian Strack Jensen |
| .M15 | Moving Picture Experts Group | Pliki wideo | MPEG Video File | CyberLink PowerDVD | CyberLink |
| .M1PG | Media 100 | Pliki wideo | iFinish Video Clip | iFinish | Media 100 |
| .M1V | Roxio | Pliki wideo | MPEG-1 Video File | CyberLink PowerDVD | CyberLink |
| .M21 | AXMEDIS Products and Services | Pliki wideo | AXMEDIS MPEG-21 File | Apple QuickTime Player | Apple |
| .M2A | Unknown Developer | Pliki wideo | MPEG-1 Layer 2 Audio File | VLC Media Player | VideoLAN |
| .M2P | Moving Picture Experts Group | Pliki wideo | MPEG-2 Program Stream File | Microsoft Windows Media Player | Microsoft Corporation |
| .M2S | Maxthon | Pliki wideo | Maxthon 2 Browser Skin File | Maxthon Cloud Browser | Maxthon |
| .M2T | Roxio | Pliki wideo | HDV Video File | Microsoft Windows Media Player | Microsoft Corporation |
| .M2TS | Sony | Pliki wideo | Blu-ray BDAV Video File | CyberLink PowerDVD | CyberLink |
| .M2V | Webteh | Pliki wideo | MPEG-2 Packetized Elementary Stream | CyberLink PowerDVD | CyberLink |
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