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| Extension | File Type Developer | File Category | File Type Description | Primary Software | Primary Software Developer |
|---|---|---|---|---|---|
| .DBA | PDC (Prolog Development Center) | Backup Files | Turbo Prolog Database | Visual Prolog | PDC (Prolog Development Center) |
| .DBE | Microsoft Corporation | Backup Files | ActiveSync Backup File Format | Microsoft ActiveSync | Microsoft Corporation |
| .DBK | Sony | Backup Files | Sony Ericsson Mobile Phone Backup File | WinRAR | Eugene Roshal |
| .DBQ | Corel | Backup Files | Corel Paradox Memo Data | Corel Paradox | Corel |
| .DIM | Active@ Data Recovery Software | Backup Files | Active@ Raw Disk Image Backup File | Active@ Disk Image | LSoft Technologies Inc. |
| .DIY | Huntersoft | Backup Files | My Drivers Backup Setup File | My Drivers | Huntersoft |
| .DMD | Oracle Corporation | Backup Files | SQL Developer Data Modeler File | SQL Developer Data Model | Oracle Corporation |
| .DNA | GSL Biotech LLC | Backup Files | SnapGene DNA File | SnapGene | GSL Biotech LLC |
| .DPB | Susteen, Inc. | Backup Files | DataPilot Backup File | DataPilot | Susteen, Inc. |
| .DSB | Dell Technologies | Backup Files | Dell DataSafe Backup File | DataSafe Local Backup | Dell Technologies |
| .DSS | The International Voice Association (IVA) | Backup Files | Digital Speech Standard File | DSS Player Lite | Olympus Corporation |
| .EBF | Microsoft Corporation | Backup Files | Pocket PC WindowsCE Form | Microsoft Windows CE Embedded | Microsoft Corporation |
| .EBK | Internet Marketing Center | Backup Files | Ebook Pro Ebook File | The Internet Marketing Center eBook Pro | Internet Marketing Center |
| .ECBK | LG Electronics | Backup Files | LG PC Suite Calendar Backup | LG PC Suite | LG Electronics |
| .ECS | Sony | Backup Files | Sony Ericsson Mobile Phone Backup File | WinRAR | Eugene Roshal |
| .EG | Wasay | Backup Files | Image It Backup Disk Image | Image It | Wasay |
| .EMK | Elex Media | Backup Files | EMK Compress Archive | Unknown Software | Unknown Developer |
| .ENZ | Thomson Reuters Corporation | Backup Files | EndNote Connection File | Thomson Reuters EndNote | Clarivate Analytics |
| .ETC | DeskSoft | Backup Files | EarthTime | EarthTime | The Community Robotics, Education and Technology Empowerment Lab (CREATE Lab) |
| .FB | Serge Voskoboynikov | Backup Files | Slim! Compressed Archive | Slim! | Serge Voskoboynikov |
| .FBC | Ancestry.com Inc. | Backup Files | Family Tree Maker For DOS Backup File | Software MacKiev Family Tree Maker | Ancestry.com Inc. |
| .FBK | Microsoft Corporation | Backup Files | Microsoft Dynamics NAV Backup File | Microsoft Dynamics NAV (Navision) | Microsoft Corporation |
| .FBU | Chuck Baker | Backup Files | FEBE Firefox Backup File | Mozilla Firefox | Mozilla |
| .FBW | Hewlett-Packard | Backup Files | HP Recovery Manager Backup File | HP Recovery Manager | Hewlett-Packard |
| .FEZ | FUND E-Z Development Corporation | Backup Files | FUND E-Z Backup Archive | Fund E-Z | FUND E-Z Development Corporation |
| .FFB | Moneyspire | Backup Files | Fortora Fresh Finance Backup File | Moneyspire | Moneyspire |
| .FH | Adobe Systems Incorporated | Backup Files | Adobe FreeHand Image | Adobe FreeHand | Adobe Systems Incorporated |
| .FHF | Cleanersoft Software | Backup Files | Free Hide Folder Backup File | Cleanersoft Free Hide Folder | Cleanersoft Software |
| .FKC | Softland | Backup Files | FBackup Catalog | FBackup | Softland |
| .FPT | Sage | Backup Files | ACT! Data File | Act! | Swiftpage, Inc. |
| .FTMB | Ancestry.com Inc. | Backup Files | Family Tree Maker Backup File | Software MacKiev Family Tree Maker | Ancestry.com Inc. |
| .FUL | Microsoft Corporation | Backup Files | Microsoft Backup File List | MsBackup | Microsoft Corporation |
| .FWB | CursorArts Company | Backup Files | FileWrangler Backup File | FileWrangler | CursorArts Company |
| .FZB | Casio Computer Co., Ltd. | Backup Files | Casio FZ-1 Bank Dump | Awave Studio | FMJ-Software |
| .GB1 | YoYo Games | Backup Files | Game Maker Backup File | GameMaker Studio | YoYo Games |
| .GBP | Genie | Backup Files | Genie Timeline Backup Index File | Genie Timeline | Genie |
| .GCB | Parhelia Tools | Backup Files | Google Chrome Backup Backup Data File | Google Chrome Backup | Parhelia Tools |
| .GHO | Symantec Corporation | Backup Files | Norton Ghost Backup File | Symantec Ghost Solution Suite | Symantec Corporation |
| .GHS | Symantec Corporation | Backup Files | Norton Ghost Image Segment Backup File | Symantec Ghost Solution Suite | Symantec Corporation |
| .GRB | Microsoft Corporation | Backup Files | MS-DOS Shell Monitor Data | MS-DOS | Microsoft Corporation |
| .HBI | Novosoft | Backup Files | Handy Backup Backup File | Handy Backup | Novosoft |
| .HDB | HansaWorld | Backup Files | HansaWorld Database File | HansaWorld Enterprise | HansaWorld |
| .HIF | Quicken | Backup Files | Quicken Online File | Intuit Quicken | Quicken |
| .HM4 | Lorex Technology | Backup Files | Lorex Backup File | Unknown Software | Unknown Developer |
| .H_ | Microsoft Corporation | Backup Files | Microsoft Windows WinHelp Compressed Data | Microsoft Windows | Microsoft Corporation |
| .IBK | Perion Network Ltd | Backup Files | IncrediMail Account Backup File | IncrediBackup | Perion Network Ltd |
| .ICF | Zoom Telephonics | Backup Files | Zoom Router Configuration File | LibreOffice | The Document Foundation |
| .IPD | BlackBerry | Backup Files | BlackBerry Backup File | BlackBerry Desktop Software | BlackBerry |
| .IV21 | Symantec Corporation | Backup Files | Norton Ghost Incremental Virtual Volume Image | Symantec Ghost Solution Suite | Symantec Corporation |
| .IV2I | Symantec Corporation | Backup Files | Norton Ghost Incremental Virtual Volume Image | Symantec Ghost Solution Suite | Symantec Corporation |
| .J01 | Open Source | Backup Files | Akeeba Multi-part Backup Archive | Akeeba eXtract Wizard | Open Source |
| .JBK | Juno | Backup Files | Juno Backup File | Mozilla Firefox | Mozilla |
| .JPA | Open Source | Backup Files | Akeeba Backup Archive | Akeeba eXtract Wizard | Open Source |
| .JPS | Open Source | Backup Files | Akeeba Backup Archive | Akeeba eXtract Wizard | Open Source |
| .JRS | Microsoft Corporation | Backup Files | Extensible Storage Engine (ESE) Reserve Transaction Log | Microsoft Exchange Server | Microsoft Corporation |
| .JSON | Mozilla | Backup Files | Mozilla Firefox Bookmarks Backup | Mozilla Firefox | Mozilla |
| .KBB | Jetico, Inc. | Backup Files | BestCrypt Key Block Backup | BestCrypt | Jetico, Inc. |
| .LBF | LG Electronics | Backup Files | LG Backup File | LG Mobile Switch | LG Electronics |
| .LBK | General Electric Company | Backup Files | VersaPro Local Logic Block Backup | VersaPro | General Electric Company |
| .LBXLBK | Libronix Corporation | Backup Files | Libronix Digital Library System (DLS) License Backup | Digital Library System | Libronix Corporation |
| .LCB | Interscape | Backup Files | Living Cookbook Backup File | Living Cookbook | Interscape |
| .LDB | Microsoft Corporation | Backup Files | Microsoft Access Lock File | Microsoft Access | Microsoft Corporation |
| .LLX | National Instruments | Backup Files | LabVIEW VI Library Backup File | LabVIEW | National Instruments |
| .LMI | 2Wire, Inc. | Backup Files | HomePortal Firmware Recovery File | HomePortal | 2Wire, Inc. |
| .MACHACHA | Pescados Software | Backup Files | Split Control File | MacHacha | Pescados Software |
| .MBF | Microsoft Corporation | Backup Files | Microsoft Money Backup File | Microsoft Money | Microsoft Corporation |
| .MBK | dBase, LLC | Backup Files | dBASE IV Multiple Index Backup File | dBase | dBase, LLC |
| .MBU | Sony | Backup Files | Sony CAV-M1000ES Memory Backup File | Sony CAV-M1000ES | Sony |
| .MBW | Firesage Solutions | Backup Files | MBRWizard Archive | Firesage Solutions MBRWizard | Firesage Solutions |
| .MBZ | Unknown Developer | Backup Files | Pogoshell NES Emulator Plugin | PogoShell | Unknown Developer |
| .MDBACKUP | Apple | Backup Files | iPhone Data Backup File | Microsoft Notepad | Microsoft Corporation |
| .MDO | Alcohol Soft | Backup Files | Alcohol 120% Split Image File | Alcohol 120% | Alcohol Soft |
| .MEM | Microsoft Corporation | Backup Files | FoxPro Variable File | Microsoft Visual FoxPro | Microsoft Corporation |
| .MIB | Milenix Software Ltd. | Backup Files | MyInfo Topic Backup | MyInfo | Milenix Software Ltd. |
| .MIG | Microsoft Corporation | Backup Files | Windows Migration Backup File | Windows Easy Transfer | Microsoft Corporation |
| .MKZ | Interscape | Backup Files | PokerOffice Database Backup File | PokerOffice | Interscape |
| .MON | Mozilla | Backup Files | Firefox Monday Bookmark Backup File | Mozilla Firefox | Mozilla |
| .MPB | FJ Soft | Backup Files | MyPhoneExplorer Backup File | MyPhoneExplorer | FJ Soft |
| .MPR | Open Source | Backup Files | Bibexcel Data | BibExcel | Open Source |
| .MRBAK | Paramount Software UK Ltd | Backup Files | Macrium Reflect Backup File | Macrium Reflect | Paramount Software UK Ltd |
| .MS_ | Microsoft Corporation | Backup Files | Microsoft Windows WinHelp Compressed Data | Microsoft Windows | Microsoft Corporation |
| .MTB | Digistore Solutions | Backup Files | MediaTracker Database Backup File | MediaTracker | Digistore Solutions |
| .MYC | Joshua Cannon Butcher | Backup Files | Simply Safe Backup Archive | Simply Safe Backup | Joshua Cannon Butcher |
| .NAB | NetScape | Backup Files | Netscape Communicator Addressbook | Netscape Navigator | NetScape |
| .NB7 | NovaStor | Backup Files | NovaBACKUP Output File | NovaBACKUP | NovaStor |
| .NBA | Nero AG | Backup Files | Nero BackItUp Archive | Nero Backitup | Nero AG |
| .NBF | NTI Corporation | Backup Files | Backup Now Archive | NTI Backup Now | NTI Corporation |
| .NBK | SMART Technologies | Backup Files | SMART Notebook File | MimioStudio | Mimio |
| .NBU | Nokia | Backup Files | Nokia Phone Backup Copy File | Nokia PC Suite | Nokia |
| .NBZ | ArcSoft | Backup Files | ArcSoft Total Media Backup & Record Backup File | ArcSoft TotalMedia Backup & Record | ArcSoft |
| .NCO | Nero AG | Backup Files | Nero BackItUp File | Nero Backitup | Nero AG |
| .NDA | Nero AG | Backup Files | Nero Backup File | Nero Backitup | Nero AG |
| .NFB | Nokia | Backup Files | Nokia Phone Backup File | Nokia PC Suite | Nokia |
| .NFC | Nokia | Backup Files | Nokia Phone Backup Copy File | Nokia PC Suite | Nokia |
| .NPF | NTI Corporation | Backup Files | NTI Partition File | NTI Backup Now | NTI Corporation |
| .NPP | Nova Development | Backup Files | Art Explosion Publisher Pro Document | Art Explosion | Nova Development |
| .NPS | Open Source | Backup Files | Natron Node Presets File | Natron | Open Source |
| .NRB | Nero AG | Backup Files | Nero Burning ROM CD-ROM Boot Compilation | Nero Burning ROM | Nero AG |
| .NRD | Nero AG | Backup Files | Nero Burning ROM DVD-Video Compilation | Nero 2017 | Nero AG |
| .NRS | Nero AG | Backup Files | Nero CD-ROM Boot EFI Compilation File | Nero 2017 | Nero AG |
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