| .AAS | Adobe Systems Incorporated | File codificati | Adobe Authorware Shocked Packet File | Adobe Authorware | Adobe Systems Incorporated |
| .AEE | ASUS | File codificati | ASUS Data Security Manager Protected File | ASUS Data Security Manager | ASUS |
| .AEP | Adobe Systems Incorporated | File codificati | After Effects Project | Adobe After Effects | Adobe Systems Incorporated |
| .AES | Open Source | File codificati | AES Crypt Encrypted File | Packetizer AES Crypt | Open Source |
| .AES256 | Unknown Developer | File codificati | Insurance.aes256 Encrypted File | Packetizer AES Crypt | Open Source |
| .ASC | Symantec Corporation | File codificati | PGP (Pretty Good Privacy) ASCII Armored File | Mozilla Thunderbird | Mozilla |
| .AVN | ALTAVENTE | File codificati | AltaVENTE Application User Notes | altaVENTE Document Protector | ALTAVENTE |
| .AXX | Axantum Software AB | File codificati | AxCrypt Encrypted File | Axantum AxCrypt | Axantum Software AB |
| .AZF | AirZip, Inc. | File codificati | AirZip FileSECURE File | AirZip FileSECURE Reader | AirZip, Inc. |
| .B2A | Smith Micro Software | File codificati | Btoa Encoded File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .BFA | SourceForge | File codificati | Blowfish Encrypted File | Blowfish Advanced CS | SourceForge |
| .BHX | Open Source | File codificati | BinHex Encoded File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .BMPENX | Egis Technology Inc | File codificati | Encrypted BMP File | Egis Option Pack | Egis Technology Inc |
| .BN2 | Bojanov Software | File codificati | Bojanov Encryptor Encrypted File | Bojanov Encryptor | Bojanov Software |
| .BNC | Bojanov Software | File codificati | Bojanov Encryptor Encrypted File | Bojanov Encryptor | Bojanov Software |
| .BPK | Nero AG | File codificati | Nero SecurDisc Public Key File | Nero 2017 | Nero AG |
| .BPW | Open Source | File codificati | Bitser Password File | Bitser | Open Source |
| .BSK | DAZ Productions (Daz 3D) | File codificati | Bryce Sky File | Nero Multimedia Suite | Nero AG |
| .BTOA | Smith Micro Software | File codificati | Binary-to-ASCII Encoded File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .BVD | Bitdefender | File codificati | Bitdefender Vault File | BitDefender | Bitdefender |
| .CCF | Interscape | File codificati | CryptLoad Container File | CryptLoad | CryptLoad |
| .CEF | Richard Stott | File codificati | Class Action Gradebook Elementary File | Class Action Gradebook "Elementary Edition" | Richard Stott |
| .CFI | CleverForm Ltd. | File codificati | CleverForm Script File | CleverForm | CleverForm Ltd. |
| .CGP | CodeGazer | File codificati | PixelCryptor Encrypted File | CodeGazer PixelCryptor | CodeGazer |
| .CLX | IBM | File codificati | Rational XDE | Rational XDE | IBM |
| .CNG | Vassil Arabadjiev | File codificati | CryptoNG Encrypted Archive | CryptoNG | Vassil Arabadjiev |
| .CPIO | Power Software Ltd | File codificati | Unix CPIO Archive | 7-Zip | Igor Pavlov |
| .CPT | Corel | File codificati | Corel Photo-Paint Image | Corel Presentations X8 | Corel |
| .CRYPTED | Ashampoo | File codificati | WinOptimizer Encrypted File | Ashampoo WinOptimizer | Ashampoo |
| .CRYPTRA | BMB Software | File codificati | Cryptra Encrypted File | Cryptra | BMB Software |
| .CSJ | BlackBerry | File codificati | RIM CSJ Registration Data | BlackBerry Tablet OS SDK For Adobe AIR | BlackBerry |
| .DB | Dwayne Richard Hipp | File codificati | Mobile Device Database File | SQLite | Dwayne Richard Hipp |
| .DCD | IMSI/Design, LLC | File codificati | DesignCAD Drawing | IMSI DesignCAD 3D Max | IMSI/Design, LLC |
| .DCF | Sony Mobile Communications | File codificati | DRM Content Format File | DRM Packager | Sony Mobile Communications |
| .DCO | Safetica Technologies | File codificati | Safetica Free Encrypted Virtual Disk Archive | Safetica Free | Open Source |
| .DDOC | Interscape | File codificati | DigiDoc Signature File | qDigiDoc | Interscape |
| .DIM | Active@ Data Recovery Software | File codificati | Active@ Raw Disk Image Backup File | Active@ Disk Image | LSoft Technologies Inc. |
| .DIME | Interscape | File codificati | Direct Internet Message Encapsulation File | DIME Parser | Interscape |
| .DLC | JDownloader Team | File codificati | Download Link Container File | JDownloader | JDownloader Team |
| .DRC | Open Source | File codificati | Open Mobile Alliance DRM Rights Object | Microsoft Notepad | Microsoft Corporation |
| .EEA | Scanlon Associates | File codificati | Encrypted E-mail Attachment | Scanlon Associates Attachment Decoder | Scanlon Associates |
| .EFF | The Hotline Group | File codificati | eFileFolders File Format | eFileFolders | The Hotline Group |
| .EMC | Striata | File codificati | Striata Reader Encrypted Document | Striata Reader | Striata |
| .ENC | Smith Micro Software | File codificati | Encoded Data File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .ENX | IBM | File codificati | IBM Rational XDE Data | Rational XDE | IBM |
| .ESF | Steganos | File codificati | Password Manager Container File | Steganos Password Manager | Steganos |
| .ESLOCK | ES APP Group | File codificati | ES File Explorer File Manager Encrypted File | ES File Explorer File Manager for Android | ES APP Group |
| .ETXT | Open Source | File codificati | Encrypted Text File | Secure Notepad | Open Source |
| .EXC | Lionhead Studios | File codificati | Black & White Zone File | Lionhead Studios Black and White | Lionhead Studios |
| .FDP | UPEK | File codificati | MySafe Encrypted Data | Protector Suite QL | UPEK |
| .FGP | WinAbility Software | File codificati | Folder Guard Passwords File | Folder Guard | WinAbility Software |
| .FILM | Belle Nuit Montage | File codificati | Filmkey Player Media File | Filmkey Player | Belle Nuit Montage |
| .FL | Microsoft Corporation | File codificati | Freelancer Saved Game File | Freelancer | Microsoft Corporation |
| .GTE | GigaTrust | File codificati | GigaTrust Protected Data | GigaTrust Desktop Client | GigaTrust |
| .HBX | Open Source | File codificati | BinHex Encoded File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .HDT | Adobe Systems Incorporated | File codificati | Photoshop HDR Toning Preset File | Adobe Photoshop CC | Adobe Systems Incorporated |
| .HEX | Intel Corporation | File codificati | Hexadecimal Source File | Heaventools FlexHex | Heaventools Software |
| .HID | Sony | File codificati | Sony Ericsson Remote Settings File | Sony Ericsson PC Suite | Sony Mobile Communications |
| .HSF | Tech Soft 3D | File codificati | HOOPS Stream Format File | CATIA | Dassault Systèmes |
| .HSH | Microsoft Corporation | File codificati | Windows Catalog Search Index File | Microsoft Windows | Microsoft Corporation |
| .IDEA | Adobe Systems Incorporated | File codificati | Adobe Ideas Document | Adobe Illustrator CC | Adobe Systems Incorporated |
| .IWA | Apple | File codificati | iWork Archive File | iWork | Apple |
| .JKS | Oracle Corporation | File codificati | Java Keystore File | Unity Technologies Unity | Unity Technologies |
| .JPGENX | Egis Technology Inc | File codificati | Egis Encrypted JPG Picture Image | Egis | Egis Technology Inc |
| .KDE | Kaspersky Lab | File codificati | KryptoStorage Container File | Kaspersky PURE | Kaspersky Lab |
| .KEY | Unknown Developer | File codificati | License/ Encrypted Security Key File | Avira Antivirus Pro 2016 | Avira Operations GmbH & Co. KG. |
| .KEYSTORE | Oracle Corporation | File codificati | Java Keystore File | Unity Technologies Unity | Unity Technologies |
| .KLQ | Kaspersky Lab | File codificati | Kaspersky Quarantine File | Kaspersky Anti-Virus | Kaspersky Lab |
| .KS | Debian | File codificati | Kickstart File | MIC2 | Debian |
| .KSD | KeepSafe Software, Inc. | File codificati | KeepSafe File | KeepSafe Private Photo Vault | KeepSafe Software, Inc. |
| .KWM | WebMoney Transfer | File codificati | WM Keeper CLASSIC Key Data | Keeper WinPro | WebMoney Transfer |
| .LCN | Microsoft Corporation | File codificati | License File | Microsoft Windows | Microsoft Corporation |
| .LOCKED | Unknown Developer | File codificati | Ransomware Encrypted File | System Restore | Microsoft Corporation |
| .LOCKY | Microsoft Corporation | File codificati | Locky Ransomware Encrypted File | System Restore | Microsoft Corporation |
| .MEW | Multi Edit Software | File codificati | MultiEdit Encoded Status File | Multi-Edit | Multi Edit Software |
| .MFS | Open Source | File codificati | MetFS Encrypted File System | MetFS | Open Source |
| .MIM | Internet Engineering Task Force | File codificati | Multi-Purpose Internet Mail Message File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .MIME | Various Developers | File codificati | Multi-Purpose Internet Mail Extension | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .MJD | Adobe Systems Incorporated | File codificati | Adobe Acrobat MIME Encoded Job Definition File | Adobe Acrobat DC | Adobe Systems Incorporated |
| .MME | Smith Micro Software | File codificati | Multipurpose Internet Mail Extensions | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .MNC | Autodesk, Inc. | File codificati | AutoCAD Compiled Menu File | Autodesk AutoCAD | Autodesk, Inc. |
| .MNX | Autodesk, Inc. | File codificati | AutoCAD Compiled Menu File | Autodesk AutoCAD | Autodesk, Inc. |
| .MONO | SourceForge | File codificati | Monolith Munged Encoded Data | Monolith | SourceForge |
| .MSE | CyberLink | File codificati | MediaShow Slideshow Project File | MediaShow | CyberLink |
| .NC | CNC Software | File codificati | Mastercam Numerical Control File | Mastercam | CNC Software |
| .NIP | Microsoft Corporation | File codificati | Microsoft DRM (Digital Right Management) File | Microsoft Windows Media Player | Microsoft Corporation |
| .P7S | Unknown Developer | File codificati | PKCS #7 Signature File Format | Microsoft Outlook Express | Microsoft Corporation |
| .PACK | neOceane | File codificati | CustoPack Tools Theme Pack | CustoPack Tools | neOceane |
| .PAW | SecurelyShare | File codificati | PawaaFILE File Format | SecurelyShare | SecurelyShare |
| .PCP | Microsoft Corporation | File codificati | Windows Installer Patch Creation Properties File | Microsoft Windows SDK | Microsoft Corporation |
| .PDC | Locklizard | File codificati | Lizard Safeguard Secure PDF File | LockLizard Secure PDF Viewer | Locklizard |
| .PDFENX | Egis Technology Inc | File codificati | Egis Encrypted PDF Document | Egis | Egis Technology Inc |
| .PFILE | Microsoft Corporation | File codificati | Rights Management Protected File | Azure Rights Management | Microsoft Corporation |
| .PFO | Pismo Technic Inc. | File codificati | Private Folder | Pismo File Mount Audit Package | Pismo Technic Inc. |
| .PKR | Symantec Corporation | File codificati | Pretty Good Privacy Public Keyring | Pretty Good Privacy (PGP) | Symantec Corporation |
| .PLP | Rupees & Dollars | File codificati | Photo Locker Picture | Photo Locker By Rupees & Dollars | Rupees & Dollars |
| .POO | Open Source | File codificati | Commodore C64 Machine Code | CCS64 | Open Source |
| .PRV | E-on Software, Inc. | File codificati | Vue Preview File | E-on Vue | E-on Software, Inc. |
| .RAE | Schlichtherle IT Services | File codificati | TrueZIP Encrypted ZIP Archive File | TrueZIP | Schlichtherle IT Services |
| .RDI | SAFEJKA S.R.L. | File codificati | Rohos Disk Image File | Rohos Mini Drive | SAFEJKA S.R.L. |
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