Download and install the Blackberry Desktop software.
Then click backup phone. Select everything and save the ipd somewhere u can find it.
Download and install this (FREEWARE):
Code:
www.linkhider.com/ojLD
Then using the program, open the ipd you saved earlier.
click export to text to export all your smses.
EnjoY!
In order to restore, make sure your IPD is saved properly.
When u need to restore, do the same steps to save your CURRENT files onto another ipd and just click restore the old ipd and voila! your old messages are back