File Extensions Word 2007document.docx Excel 2007 workbook.xlsx PowerPoint 2007 presentation.pptx Access 2007 file format.accdb Word prior to 2007 Excel prior to 2007 PowerPoint prior to 2007 Access prior to 2007.doc.xls.ppt.mdb Portable Document Format.pdf Graphics Interchange Format.giff Joint Photographic Experts.jpg or.jpeg Tagged Image File Format.tiff Bitmap.bmp