When you are away from the office and wanted to access your computer in your office. There are various technology that can help. There are build in technology for your PC and Mac, here we are going to let you know more about that..
Remote Desktop from your PC running Windows XP Professional Edition or Windows Vista Business Edition. That is a build in services that you just need to enable that. To use this build in service, you might need to configure your firewall to pass thru the TCP port 3389.
Logmein provide free service to access your PC or Mac remotely web their website.
RealVNC is another technology you can use to access your PC and Mac remotely.
GoToMyPC is a paid service by Citrix that allow you to access your PC, Mac still not available.