org.nuxeo.ecm.platform.commandline.executor.service.soffice soffice soffice.exe --headless --norestore --writer --convert-to #{format} #{sourceFilePath} --outdir #{outDirPath} -env:UserInstallation=#{userInstallation} --version --headless --cat test You need to install LibreOffice and add soffice to the PATH environment variable.