There are many FREE online tools for file conversion. They easiliy let you convert hundreds of file formats!
Say you can't read a file someone emailed you. You just might be able to use such a website to read it.
There is no installation needed, and they convert the file within seconds.
The next time you need to convert a TIFF to a JPG or a XLS to a PDF and so forth, try it out!
You Convert it