When you save your invoice document, remember to save it as a Word template, with a .dot file extension. (Go to File | Save As and choose Document Template (*.dot) from the Save As Type drop-down ...

Templates are far more than just convenient — In fact, they can be crucial. Check out our simple guide on how to use document templates in Microsoft Word.

By the way, if you ever want to have straight quotes in a document without turning off the "smart quote" feature altogether, just hit ctrl-Z (undo) after you type the quote and Word curls it; ...

Go to "File," then "Save As" and then choose "Document Template." Alternatively, perform the conversion by loading the file into a Word to DOT or DOTX converter, such as the ConvertOnlineFree website.