You can use Outlook.com email to send single files up to 10GB or hundreds of smaller ones in one email using OneDrive very easily.

Need to send a large file attachment? We've long been fans of the YouSendIt plug-in for Outlook, which taps that service from within your e-mail client.

The Acrobat.com document hosting service is free up to 5GB, works with any browser. For a similar utility that works with Outlook 2003, check out the previously mentioned Office Add-on for YouSendIt.