‘Best STL’ is a UK based company specializing in instructor-led Microsoft Office training courses. However, Best STL has also produced a wide range of professional training manuals which are available free to download in PDF format. The manuals are generally available in various levels of proficiency from Introduction, to Intermediate, through to Advanced and cover all major components of MS Office, including Word, Excel, Power Point, Outlook, Access, Project, and Visio. There are separate sets of manuals available for Office 2010, 2007, and 2003.
There is no registration involved or accounts to set up, simply visit this page: http://www.microsofttraining.net/microsoft-training-manuals.php, and click on the title of your preferred manual… download as many as you like.