2011-05-04-23-05-04_SERVERNAME_CONNECTION_MESSAGES_UNITYMBXDB1_MESSAGES
to my local machine and upon running the software pointed it to the file.
It then states
2829 total messages found in back up, 2969 records read from TAR file.
So far so good it seems.
I then select the mailbox and the message required, click Extract Message Locally but this then open up a window of the file containing the TAR file again.
If its selected then it just opens up another instance of DRS Fisher.