| .001 | Smith Micro Software | Ficheiros de Cópia de Segurança | Split Archive File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .002 | Various Developers | Ficheiros de Cópia de Segurança | Split Archive Part 2 File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .003 | Welltek Software | Ficheiros de Cópia de Segurança | Split Archive Part 3 File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .004 | SourceForge | Ficheiros Compactados | Compressed File From A Multi-volume Archive (part 4) | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .005 | bhv | Ficheiros de Dados | Winfunktion Mathematik V8.0 Julia Fractal File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .006 | bhv | Ficheiros de Dados | Winfunktion Mathematik V8.0 Julia Fractal File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .007 | bhv | Ficheiros de Dados | Winfunktion Mathematik V8.0 Julia Fractal File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .008 | ESRI (Environmental Systems Research Institute) | Ficheiros GIS | International S-57 Hydrographic Data Electronic Navigation Chart | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .009 | bhv | Ficheiros de Dados | Winfunktion Mathematik V8.0 Julia Fractal File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .010 | bhv | Ficheiros de Dados | Winfunktion Mathematik V8.0 Julia Fractal File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .APK | Google | Ficheiros Compactados | Android Package File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .APPLE | Apple | Ficheiros de Dados | Apple AppleSingle Data File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .ARC | Symantec Corporation | Ficheiros de Cópia de Segurança | Norton Backup Archive | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .ARJ | Robert K. Jung | Ficheiros Compactados | ARJ Compressed File Archive | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .B2A | Smith Micro Software | Ficheiros Codificados | Btoa Encoded File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .B64 | Smith Micro Software | Ficheiros Compactados | Base64 MIME-Encoded File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .BHX | Open Source | Ficheiros Codificados | BinHex Encoded File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .BIN | Unknown Developer | Ficheiros de Imagem de Disco | Binary Disk Image File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .BTOA | Smith Micro Software | Ficheiros Codificados | Binary-to-ASCII Encoded File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .BZ | Smith Micro Software | Ficheiros Compactados | Bzip Compressed File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .BZ2 | Julian Seward | Ficheiros Compactados | Bzip2 Compressed File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .BZIP2 | Julian Seward | Ficheiros Compactados | Bzip2 Compressed Archive | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .CAB | Microsoft Corporation | Ficheiros de Sistema | Windows Cabinet File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .CB7 | Smith Micro Software | Ficheiros Compactados | Comic Book 7-Zip Archive | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .CBR | Unknown Developer | Ficheiros Compactados | Comic Book RAR Archive | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .CBT | Various Developers | Ficheiros Compactados | Comic Book TAR File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .CBZ | Open Source | Ficheiros de Imagem 3D | Comic Book Zip Archive File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .CPT | Corel | Ficheiros de Imagem Raster | Corel Photo-Paint Image | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .EFW | Corel | Ficheiros Compactados | Renamed Zip Or Executable File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .ENC | Smith Micro Software | Ficheiros Codificados | Encoded Data File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .GTAR | Free Software Foundation | Ficheiros de Dados | GNU Tar Archive | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .GZ | GNU Project | Ficheiros Compactados | Gnu Zipped Archive | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .HBX | Open Source | Ficheiros Codificados | BinHex Encoded File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .HEX | Intel Corporation | Ficheiros de Desenvolvedor | Hexadecimal Source File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .LHA | WinAbility Software | Ficheiros Compactados | LHARC Compressed Archive | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .LHARC | WinAbility Software | Ficheiros Compactados | LHARC Compressed Archive | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .LZH | Various Developers | Ficheiros Compactados | LZH Compressed File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .LZMA | Igor Pavlov | Ficheiros Compactados | LZMA Compressed File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .MCWORLD | Smith Micro Software | Ficheiros de Jogo | Minecraft World Backup File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .MIM | Internet Engineering Task Force | Ficheiros Codificados | Multi-Purpose Internet Mail Message File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .MIME | Various Developers | Ficheiros Codificados | Multi-Purpose Internet Mail Extension | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .MME | Smith Micro Software | Ficheiros Codificados | Multipurpose Internet Mail Extensions | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .PAK | Unknown Developer | Ficheiros de Jogo | Video Game Package | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .PET | Larry Short, Mick Amadio and Puppy community | Ficheiros Compactados | Puppy Linux Install Package | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .PF | Smith Micro Software | Ficheiros Compactados | Private File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .PIT | Samsung Electronics | Ficheiros de Sistema | Samsung Phone Firmware File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .PIZ | Winrar | Ficheiros Compactados | Zipped File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .R00 | Rocky Sand Studio | Ficheiros Compactados | WinRAR Compressed Archive | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .R06 | Eugene Roshal | Ficheiros Compactados | Split Multi-volume RAR Compressed File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .R07 | Eugene Roshal | Ficheiros Compactados | Split Multi-volume RAR Compressed File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .R09 | Eugene Roshal | Ficheiros Compactados | Split Multi-volume RAR Compressed File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .R30 | Eugene Roshal | Ficheiros Compactados | WinRAR Split Archive Part 30 | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .R36 | Eugene Roshal | Ficheiros Compactados | Split Multi-volume RAR Compressed File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .R50 | Eugene Roshal | Ficheiros Compactados | Split Multi-volume RAR Compressed File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .RAR | Rocky Sand Studio | Ficheiros Compactados | WinRAR Compressed Archive | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .S07 | Eugene Roshal | Ficheiros Compactados | Split Multi-volume RAR Compressed File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .S09 | Eugene Roshal | Ficheiros Compactados | Split Multi-volume RAR Compressed File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .S7Z | Igor Pavlov | Ficheiros Compactados | 7-Zip Compressed File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .SEA | Smith Micro Software | Ficheiros Compactados | Self-Extracting Archive | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .SIT | Smith Micro Software | Ficheiros Compactados | StuffIt Archive | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .SITX | Smith Micro Software | Ficheiros Compactados | StuffIt X Archive | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .SOW | Interplay Entertainment | Ficheiros de Jogo | Descent ARJ Archive | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .TAR | Jean-loup Gailly and Mark Adler | Ficheiros de Dados | Consolidated Unix File Archive | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .TAZ | Smith Micro Software | Ficheiros Compactados | Tar Zipped File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .TBZ2 | Winrar | Ficheiros Compactados | Tar BZip 2 Compressed File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .TG | Julian Gabriel Casadesus and Others | Ficheiros de Áudio | TuxGuitar Document | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .TGZ | Various Developers | Ficheiros Compactados | Gzipped Tar File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .TIG | Texas Instruments, Inc. | Ficheiros de Cópia de Segurança | TI Connect Backup File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .TZ | Smith Micro Software | Ficheiros Compactados | Compressed Tar Archive | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .USTAR | Smith Micro Software | Ficheiros de Dados | Uniform Standard Tape Archive Format File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .UU | Open Source | Ficheiros Codificados | Uuencoded File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .UUE | Open Source | Ficheiros Codificados | Uuencoded File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .WAR | Oracle Corporation | Ficheiros Compactados | Java Web Archive | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .WMZ | Microsoft Corporation | Ficheiros de Configurações | Compressed Windows Media Player Skin | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .Y | Microsoft Corporation | Ficheiros de Imagem Raster | Subsampled Raw YUV Image | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .YENC | Open Source | Ficheiros Codificados | yEnc File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .YNC | Open Source | Ficheiros Codificados | yEnc Encoded File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .Z | Smith Micro Software | Ficheiros Compactados | Unix Compressed File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .Z01 | Corel | Ficheiros Compactados | WinZip First Split Zip File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .Z02 | Corel | Ficheiros Compactados | WinZip Second Split Zip File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .Z03 | Corel | Ficheiros Compactados | WinZip Third Split Zip File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .Z04 | Corel | Ficheiros Compactados | WinZip Fourth Split Zip File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .Z05 | Corel | Ficheiros Compactados | WinZip Fifth Split Zip File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .Z06 | Corel | Ficheiros Compactados | WinZip Sixth Split Zip File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .Z07 | Eugene Roshal | Ficheiros Compactados | Split Multi-volume RAR Compressed File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .Z08 | Eugene Roshal | Ficheiros Compactados | Split Multi-volume RAR Compressed File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .Z09 | Eugene Roshal | Ficheiros Compactados | Split Multi-volume RAR Compressed File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .Z96 | Eugene Roshal | Ficheiros Compactados | Split Multi-volume RAR Compressed File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .ZIP | Winrar | Ficheiros Compactados | Zipped File | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .ZIP2 | Smith Micro Software | Ficheiros Compactados | StuffIt Archive | Smith Micro StuffIt Deluxe | Smith Micro Software |
| .ZPI | Winrar | Ficheiros Compactados | Zipped File | Smith Micro StuffIt Deluxe | Smith Micro Software |
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