Saving a file for older versions of Microsoft Office

If you need to share files with people using older versions of Microsoft Office, you need to save your files in a different file format known as 97-2003, such as Word 97-2003 Document or PowerPoint 97-2003 Presentation.

This special 97-2003 file format saves Office 2007 files so that previous versions of Microsoft Office 97/2000/XP/2003 can open and edit your files.

When you save files in the 97-2003 format, Microsoft Office 2007 saves your files with a three-letter file extension, like .doc or .xls. When you save files in the Office 2007 format, Microsoft Office