title: Run excel macro on multiple files
body: <p>I have an excel macro saved in a blank workbook and multiple data workbooks.</p>
  
  <p>I currently open the macro file and each data file individually, running the macro on each one with a keyboard shortcut.</p>
  
  <p>Is there a way to run the macro on all the data workbooks without opening them, either with  </p>
  
  <ul>
  <li>a batch file,</li>
  <li>VBA/VBScript, </li>
  <li>powershell,</li>
  <li>or something similar?</li>
  </ul>