Today most of company already use Microsoft Office 2007 with their new file format, and for the Microsoft Word 2007 you will see .docx format rather than .doc format. You will have no problems to open .doc format in open office (most of the case), but you can't open it if it is in .docx format.I know that Microsoft Word 2007 have a backward compatibility that you can still save your document to Office 2003 format. But still you need to ask the author of the file to save it into .doc format. … Read more...