PDF Word 2008 Create Labels & Letters Using Mail Merge Manager Word2008/Create Labels & Letters Using Mail Merge Manager Pat Guillette April 2010 4 Using Mail Merge to create a Form Letter 1. Open a new Word document that you want to use as the main document. 2. Click Tools > Mail Merge Manager. 3. From the Create New pull down choose Form Letters. You can use any Word document as the main document in a ...