Convert pptx to ppt
Online & free tool to convert pptx files to ppt.


1) Input file

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0 of 5 files added (up to 100 MiB combined)

2) Output format

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3) Convert

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1) File URL

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2) Output format

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3) Convert

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The PPTX file format is a proprietary XML based file format developed by Microsoft. It is mostly associated with Microsoft office PowerPoint, a closed source slide show presentation application. It is the default format that succeeded the .ppt filename extension from Microsoft PowerPoint 2007 SP1 onwards and is part of the Office Open XML specification. Documents to be saved in the .pptx format are saved as PowerPoint presentations. Because the pptx file format is part of the larger opendocument XML file format, many non-proprietary applications are able to open files saved with the .pptx filename extension.
The PPT format is a proprietary binary file format developed by Microsoft. It is mostly associated with Microsoft office PowerPoint, a closed source slide show presentation application. In Microsoft PowerPoint 2007 onwards, the .ppt filename extension format was superseded by the .pptx format which is part of the Office Open XML specification. Documents to be saved in the .ppt format are saved as PowerPoint 97, 2003 presentations.