A clean install is going to get you a cleaner operating system.
One of the problems with Outlook Express is difficulty in exporting data. Your best bet is to find a more recent software to help with the migration.
Changing a Windows XP operating system to a Linux platform is not a simple upgrade or migration. It’s more like starting over. Here are the basic steps.
Switching to a Linux product depends on how you use your computer. The good news is that you can try it for free, without making any changes, to see if you like it.