OpenOffice is a free office suite application that can open and edit common Microsoft Office files. OpenOffice can edit and save .doc (Word), .xls (Excel) and .ppt (PowerPoint) files. It's free and it ...

Windows/Mac/Linux: With pictures, videos, and high-resolution fonts, slideshows can make up some pretty big files—fine if you've got a large enough thumb drive or CD-R, but what if you have to email ...