It doesn't seem likely that a presentation could be converted to a spreadsheet as these two document formats serve different purpose. You could of course copy the tables, text or images from PPTX to XLSX from Powerpoint and paste it to Excel, but that is hardly conversion that can be done automatically.
Convert Microsoft PowerPoint Open XML presentation to Microsoft Excel Open XML workbook and spreadsheet.
We found 8 software records in the database related to .pptx to .xlsx file format conversion.
Microsoft Windows software - convert pptx to xlsx on Windows
An universal picture and document converter
Convert from pptx file format
|Yes, All File to All File Converter 3000 supports pptx file conversion as a source file type.||No||No||No||No||No||No||No|
|Yes, All File to All File Converter 3000 supports xlsx file conversion as a target file type.||No||No||No||No||No||No||No|
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned pptx to xlsx. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Online office productivity suite
A free set of productivity tools for creating and editing of various documents, spreadsheets or presentations from IBM
One of the many available document converters
Windows Mobile/CE software - convert pptx to xlsx on Windows Mobile
A fully working office suite for Windows Phone smart phones
Google Android software - convert pptx to xlsx on Android
Official release of Microsoft Office optimized for Google Android operating system
Blackberry mobile phones and devices software - convert pptx to xlsx on Blackberry
Office suite app for BlackBerry devices.
Windows Phone / Windows 10 Mobile software - convert pptx to xlsx on Windows Phone
Microsoft office suite optimized for Windows Phone operating system