There's quite a few solutions to do this, from PDF printers (eg CutePDF) through to alternative office suites (eg LibreOffice supports exporting to PDF). Howev

There's quite a few solutions to do this, from PDF printers (eg CutePDF) through to alternative office suites (eg LibreOffice supports exporting to PDF). However by far the easiest for you might just be to use the Microsoft Office addin that allows you to print to PDF[1] If you need to do this programmatically then you could use the LibreOffice command line tools for converting files[2] [1] https://support.office.com/en-us/article/Print-share-and-protect-files-in-the-PDF-and-XPS-file-formats-f9d35f8f-ca86-4cf9-bb91-4e6d2542eeef?ui=en-US&rs=en-US&ad=US https://support.office.com/en-us/article/Print-share-and-pro... [2] https://ask.libreoffice.org/en/question/2641/convert-to-command-line-parameter/ https://ask.libreoffice.org/en/question/2641/convert-to-comm...