How to extract all text from a ppt file

How to extract all text from a ppt file?

It is hidden in various text boxes that don't get selected in one go. We need to go to each textbox one by one and select and copy, that is not convenient.

Thanks.

You've asked the same question in the Word section. So I am assuming this is for PowerPoint. Yes, that can be done. But you have to be more precise as to what you want to do exactly.

I have same query for word and for ppt files, that text in text boxes doesn't get copied in one go. so I asked in both fora.

My query.
- How to copy all textboxes' text from ppt files, alongwith all other text that is not in textboxes, in one go to clipboard (for pasting elsewhere).

Thanks.
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Rawat