As a part of Google's "data liberation" project, which aims to let you take ownership of your online data, your Google Voice account can now be backed up onto your hard drive.
Check out the screenshots, and easy instructions below.
Log into your Google account, and head to Google.com/Takeout. Select the "Choose services" tab.
- Click the "Voice" button (and any other services you want to back up). Once loading is complete, click "Create Archive".
- Press "Download" next to the data you want to export. You'll be asked to sign in again, and when you do, your download will begin immediately.