MP3 files

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Filename extension: .mp3Internet media type: audio/mpeg, audio/MPA, audio/mpa-robustInitial release: 1995Type of format: Audio compression format, audio file formatStandards: ISO/IEC 11172-3, ISO/IEC 13818-3 MPEG -1/ 2 Audio Layer 3, more commonly known by its abbreviation MP3, is the specification of the … Read More

Word DOC documents

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Filename extension: .docInternet media type: application/mswordUniform Type Identifier: com.microsoft.word.docDeveloped by: MicrosoftLatest release: 3.3 / 18 November 2012Type of format: document file formatContainer for: Text, Image, TableExtended to: Microsoft Office XML formats, Office Open XMLOpen format: No In computing, DOC or doc … Read More

ZIP files

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Filename extension: .zip, .zipx (newer compression algorithms)Internet media type: application/zipUniform Type Identifier: com.pkware.zip-archiveMagic number: none, though PK\\003\\004 , PK\\005\\006 (empty archive), or PK\\007\\008 (spanned archive) are common.Developed by: Phil Katz, PKWAREInitial release: 1989Latest release: 6.3.3 / 1 September 2012Type of format: Data … Read More

PDF documents (Portable Document Format)

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 Filename extension: .pdf Internet media type: application/pdf, application/x-pdf, application/x-bzpdf, application/x-gzpdf Type code: ”PDF” Uniform Type Identifier: com.adobe.pdf Magic number: %PDF Developed by: Adobe Systems Initial release: 1993 Latest release: 1.7 Extended to: PDF/A, PDF/E, PDF/UA, PDF/VT, PDF/X Standard: ISO 32000 Open format: Yes  Portable Document Format, commonly abbreviated to PDF, is … Read More