ppt                             <path to office2txt.sh>/office2txt.sh %in% %out%
pptx                            <path to office2txt.sh>/office2txt.sh %in% %out%
odp                             <path to office2txt.sh>/office2txt.sh %in% %out%
xls                             <path to office2txt.sh>/office2txt.sh %in% %out%
xlsx                            <path to office2txt.sh>/office2txt.sh %in% %out%
ods                             <path to office2txt.sh>/office2txt.sh %in% %out%