First you convert Docx to Doc format if you want to open Docx file in MS Word 2003 or any other legacy version. The reason is to unauthorized file format because Docx file format comes with the latest version MS Word 2007. Suppose you are a content writer, you have to use MS Word 2007 for writing. First issue you may found that it doesn't provide spell check feature which is the common requirement of every content writer. Like this so many reasons to change it. For security point of view and before spoiling your hard work it would be better you to convert Docx to Doc. On the other hand if you are familiar with MS Word 2003, you can convert Docx file to doc format using any trustworthy third party tool. SysTools Software has the great reputation in the market for its result-oriented products; there is no need to explain them. SysTools Docx Repair provides different tool for repair and conversion of Docx file. Docx to Doc file conversion is one of the best ways to Open Docx File in MS Word 2003. It can effectively transfer Docx File data with actual information in Doc file format. Its user friendly interface helps user to Convert Docx to Doc confidently. No skill is required to handle this software, simple knowledge of computer is sufficient to Open Docx File. It provides very simple and safe technology to transfer Docx File data. Open Docx File Tool demo version shows you the preview of recovered data before saving. Demo version is only for preview, it doesn't save the recovered data. For transfer Docx Data you have to purchase license version of the software. There are two type of license version available in the market personal license for $45 and business license for $99. Any query regarding software's working you can take help from our support team at 24*7.