You can download the latest version of BlackBerry Desktop Software for your Mac by clicking the link which follows.
You can also obtain the update when you receive an alert from your BlackBerry Desktop Software for Mac.
With BlackBerry® Desktop Software 2.3, you can synchronize your media files, back up and restore your data, and update software on BlackBerry® PlayBookTM tablets running BlackBerry PlayBook OS 2.0. For more information about this release, visit http://www.blackberry.com/desktop/docs/.