Viber Backup Pro allows you to export your Viber messages, convert to HTML(2 theme) file formats and yes, those files can be read in your phone or computer! Your exported files can be saved on your phone's SD card or sent to your email as attachment. Beside with rooting device, Viber Backup Pro allows you to backup/restore your Viber on SDCard.
With Rooting
- Sorting messages
- Export to HTML conversation (*.html)
- Support THEME : like Message Chat iPhone/Android, Message Chat Tablet
- Backup To SDCard - Restore From SDCard
Notes: After finishing backup/restore, you must Stop and Start Viber application to make effect.

Google Play