If you have a backup of old emails coming from the Microsoft Outlook mail client, you have one or more PST files. It is my case also – I switched from Windows to Mac OS without buying the Outlook 2011. The good news is we don’t need Outlook itself for the old messages. You can read and open PST files on the Mac using the simple viewer.
Apple's iTunes is fantastic at playing music and is your iPod's bestfriend--they work and play together very nicely. One of the problems with iTunes, though, is that it only does one-way transfers.