The holder of this voucher is entitled to take one Microsoft Office Specialist exam at a Certiport Center (authorized testing center.) Go here to search for the testing center nearest you. Testing centers reserve the right to charge a proctoring fee. The core Microsoft Office Specialist credential has been upgraded to validate skills with the 2007/2010 Microsoft Office system as well as the new Windows Vista operating system. The Office Specialist certifications target information workers and cover the most popular business applications: Word 2007/2010, PowerPoint® 2007/2010, Excel® 2007/2010, Outlook® 2007/2010, and Access™ 2007, as well as Windows Vista®.