PPTX to HTML4

Convert PPTX to HTML4 - online and free - this page also contains information on the PPTX and HTML4 file extensions.

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File extension .pptx
Category Document File
Description As part of Microsoft's 2007 suite another open XML document type was introduced. This time in the PowerPoint sphere, PPTX is a Presentation format that stores slides used for slide shows or presentations; like a normal PPT format it may include text, images, and other media; however PPTX is based on the Open XML format and uses ZIP compression for smaller file sizes
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Technical Details A PPTX file is quite unique. The specifications for PPTX are in the ECMA-376 standard for Office Open XML. You can make a PPTX file by zipping up a directory, but the material in the directory has to match an OPC structure, including subfolders that have the content in XML format. Any application that supports XML can access and work with data in the new file format. Just like the DOCX file format, PPTX improves file and data management and data recovery.
Associated programs Apple Keynote
Microsoft PowerPoint
OpenOffice
Developed by Microsoft
MIME type application/vnd.openxmlformats-officedocument.presentationml.presentation
Useful links More detail on PostScript
Official PostScript language guide from Adobe
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File extension .html4
Category Document File
Description HTML4 has been superceded by HTML5, however still plays an important role in the history of HTML. HTML4 was the first version to include cascading style sheets (css), and these were changed further in HTML5 which included more presentational elements - HTML4 led the way here.
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Technical Details HTML 4.01 was published in late 1999 as a W3C Recommendation. It offers three variations: Strict, in which deprecated elements are forbidden, Transitional, in which deprecated elements are allowed and Frameset, in which mostly only frame related elements are allowed. XHTML is a separate language that began as a reformulation of HTML 4.01 using XML 1.0. It is no longer being developed as a separate standard. Most presentational markup elements were deprecated under the HTML 4.0 specification in favor of using CSS for styling.
Associated programs Any Web Browser (e.g. Internet Explorer, Safari, Firefox, Google Chrome)
Developed by World Wide Web Consortium & WHATWG
MIME type text/html
Useful links More detailed information on HTML4 files
How can I edit a HTML file ?
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Using Zamzar it is possible to convert PPTX files to a variety of other formats

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