Unable to Add Wildcards to Word Merge Template Document with Office Add-In

If you are unable to drag and drop or insert wildcards into a Word Merge Template document, you need to update the USISHELL document.  

1. Create and save a new USISHELL.docx document.
2. Click the Document Classes link from the Main Menu. The Document Classes page opens.
3. Select the Microsoft Word document class.
4. Right-click and select Edit. The Edit Document Classes window opens.
5. Click the Choose Files button in the Shell Document field. 
6. Select the USISHELL.docx document created in step 1.
7. Click the Open button. You return to the Edit Document Class window.
8. Click OK.