I have a message stuck in outbox outlook mac

[cvega@asoex.cl]

Hello,

I have a message stuck in outbox outlook mac, I can not see nor deleted. What is the procedure to remove this message.

when to send and receive, shows the following error.
error
----
Can not send a message

details
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Unable to send the message because there are unresolved recipients.

zimbra version 7.0
connector version 7.1.1
mac outlook 2011

thanks for the help ..

[xeon]

Outlook 2011 on Mac is not supported...
Bug 38631 – Enable snow leopard messaging features, Outlook for Mac 2011