#+options: toc:nil num:nil author:nil * How to convert office documents to text ** From office document to pdf and then to plain text You may use libreoffice from terminal to transform the file in pdf: #+begin_example sh libreoffice --headless --convert-to pdf Presentation.pptx #+end_example Then from a pdf you can use 'pdftotext' command to transform the pdf file to any plain text format: #+begin_example sh pdftotext Presentation.pdf Presentation.txt #+end_example ** One more example: convert odf files to pdf using libreoffice Convert odt file "tcl_online3.odt" to pdf #+begin_src bash libreoffice --headless --convert-to pdf tcl_online3.odt #+end_src