You can maintain control of information once you’ve shared it with people outside your network, using Rights Management Services built into Windows Server. For the client-side there’s a free plug-in for Windows XP and it’s built into Microsoft Word Powerpoint Excel and Outlook.
Check out the new RMS SP1 virtual lab.
(THE SMALL PRINT: In Internet Explorer on Windows XP SP2, you will have to temporarily allow ActiveX in order to install the ActiveX plug-in for the lab. There is also a one-time setup in which you must choose a username and password to register with the virtuallab site).
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