This recipe works for:
SharePoint 2010 Foundation
SharePoint 2010 Standard Edition
SharePoint 2010 Enterprise Edition
Office 365 (SharePoint Online)
You will need a SharePoint site with a document library containing a document that you wish to e-mail a link to. This recipe uses a SharePoint 2010 Team Site for illustration.
You will need Outlook 2010 installed on your machine.
Open the SharePoint Team Site containing the document you want to send the link to.
Open the Shared Documents link in the Quick Launch menu.
Select the Documents tab in the Library Tools ribbon.
Click on the checkbox for the document that you want to e-mail links for.