One of the great advantages of a free market is innovation and product diversity, which means we have a huge choice of different software programs for completing any one task. Unfortunately, despite the earnest promises of manufacturers, files created in one program on one operating system cannot always be read by another program, or even by the same program on a different operating system.
Most Internet users have a copy on the computer.
And if they haven't, they can download it for free . So the Reader is a near-universal software application. The program lets the user display and read any information presented in .pdf format, regardless of which system this .pdf file was produced on. So if you want to guarantee that your colleague can see your information, then send it in .pdf format. The online service lets you convert three files for free.