This online conversion service allows you to convert office documents between different formats.

Available conversions include Microsoft Office to OpenDocument (ODF), Microsoft Office to PDF, and OpenDocument (ODF) to PDF. A more detailed list:

  • DOC to PDF, DOC to ODT, DOC to RTF
  • XLS to PDF, XLS to ODS, XLS to CSV
  • PPT to PDF, PPT to ODP, PPT to SWF
  • ODT to PDF, ODT to DOC, ODT to RTF
  • ODS to PDF, ODS to XLS, ODS to CSV
  • ODP to PDF, ODP to PPT, ODP to SWF

It is currently no longer available but there are tons of excellent tools available online