I recommend you to try DOC to Any Converter Command Line. DOC to Any Converter Command Line is a converting tool to convert not only docx to pdf, but also convert other formats for each other, such as ott to pdf, ott to flash etc.. More info of DOC to Any Converter Command Line, please click here : https://www.verydoc.com/doc-to-any-options.html.
The docx file format is a completely open standards based file format, which is used natively by Microsoft Office 2007, and the soon to be released MS Office 2010. But with plug-ins docx file can be used in MS Office 2003, and even MS Office 2000.
Here is the method to convert docx to pdf with DOC to Any Converter Command Line:
1. Run ‘cmd.exe’: click ‘start’>‘Run’>input ‘cmd’>click ‘ok’.
2. Enter into the disk where doc2any.exe is located: input ‘cd\’>click ‘enter’ to go back to root directory, then input ‘D:’(or other disk sign which contains ‘doc2any.exe’)>click ‘enter’. Then input the path of ‘doc2any.exe’>click ‘space’.
3. Prepare source file and targeting file: input docx path>click ‘space’>input targeting folder path >click [\]>input pdf name you like and ‘.pdf’.
4. Start to process the conversion of docx to pdf: click ‘enter’, then pdf could be generated into targeting folder.
Here is the relative picture you may refer to below:
It is the end of converting MS Office 2007 and 2010 docx to pdf wit DOC to Any Converter Command Line, you could use pdf viewer to preview pdf file.