You should be able to open the voice note program - press option button - scroll to "view voice notes
When the stored voice notes opens click on the note you want - press options - then scroll to - "Send as E-Mail
". If you have blue tooth set up with your PC you can use the "Send Using Bluetooth
Once transferred you will need a program to convert the file to a standard format like MP3. I would suggest Format Factory: Format Factory - Free media file format converter
It is a really small program and does not try to take over your computer files like most media programs. It is a very good and well behaved media conversion program. Additionally it will convert any video files from your Blackberry.