4.2. Editing and Saving a Document to a Document Library
In the previous section, you saw two ways to open a Word document stored in a SharePoint library without first opening a SharePoint site. You should note that security defined in SharePoint for checking out documents still applies even when you open the document from Windows Explorer or from within Word. That means you can only open the document to edit it if you have edit rights and it is not checked out to someone else. Remember that while these examples use Microsoft Word documents, these techniques apply to any file type recognized by SharePoint and registered in the operating system to an installed application.
For those readers who skipped the first three chapters, ...