Why can't I access my old email on my BlackBerry Orange?

i migrated from a blackberry curve (orange) to a blackberryQ5 (EE) at the begining of the year> Upon upgrading i tried to access my old emails on orange blackberry and a screen message came up that the service was closing down and that i had one year to access the emails ie until the end of december 2014.

Is it correct that the orange blackberry service is closing down and how can i retain my emails which i need for legal matters?

All blackberry.net email support has ended. Not sure how you expected a carrier specific email would be accessible from another carrier. :confused:
Maybe online, or request an archive from Orange.