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Convert PPTX to POTM
Online & free tool to convert PPTX files to POTM

1) Input file

Choose source file(s) to convert:

0 of 5 files added (up to 1000 MB combined)

2) Output format

Select a target format to convert to:

3) Convert

By clicking you agree to our terms

Fine-tune conversion output with format-specific controls.

No advanced controls available for this format.

1) File URL

Choose file URL to convert:

2) Output format

Select a target format to convert to:

3) Convert

By clicking you agree to our terms

Fine-tune conversion output with format-specific controls.

No advanced controls available for this format.

1) Cloud Service

Choose a cloud service provider:

2) Output format

Select a target format to convert to:

3) Convert

By clicking you agree to our terms

Fine-tune conversion output with format-specific controls.

No advanced controls available for this format.
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PPTX

Microsoft PowerPoint Open XML Document

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.
POTM

Microsoft PowerPoint 2007/2010 XML Template

Microsoft PowerPoint 2007/2010 XML Template

Trusted conversion quality

FreeFileConvert uses tuned encoding for PPTX to POTM conversions, preserving clarity while trimming file size. Finished audio streams instantly across phones, tablets, desktops, and modern browsers without extra tweaks.

Seamless workflow

Upload PPTX files from desktop, tablet, or cloud storage, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized POTM results on any device you rely on.

Batch support for teams

Process up to 5 files sized 1000 MB per batch without splitting queues manually. Mixed-format uploads convert together, producing consistent POTM audio with dependable progress tracking.

About PPTX

How to open PPTX files

Microsoft Office PowerPoint 2007/2010/2013
Powerpoint Viewer
Apache OpenOffice
Corel Presentations
Google Slides
Kingsoft Office Presentation

Technical details

The .pptx filename extension is a compressed ZIP archive with an xml directory structure. The format supports macros, charts, embedded media files, and images. It is specified in the open standard ISO/IEC 29500-1:2012. A free compatibility update allows older…

The .pptx filename extension is a compressed ZIP archive with an xml directory structure. The format supports macros, charts, embedded media files, and images. It is specified in the open standard ISO/IEC 29500-1:2012. A free compatibility update allows older versions of Microsoft Office PowerPoint such as Office 2003 to open .pptx documents.

About POTM

How to open POTM files

Microsoft PowerPoint

How to convert PPTX to POTM

STEP 1

Upload your presentation file in the PPTX format from your device, Dropbox, or Google Drive.

STEP 2

Select POTM as the output format and click Convert. Adjust optional settings if needed.

STEP 3

Download the converted presentation file. Each file stays available for up to 5 downloads.

More PPTX and POTM options

Convert other files to POTM

Explore popular source formats that convert beautifully into POTM.

Convert PPTX to other formats

Need a different output? These conversions transform PPTX into other widely used formats.

Your data, our priority

  • 256-bit SSL encrypted uploads and downloads
  • Automatic file deletion shortly after conversion completes
  • Reliable global infrastructure for consistent performance

Overall Rating: (1 Votes)