title: String works in InsertFile. Variable containing same string does not. Why?
body: <p>I am using Excel VBA 2016.  I have applied all available updates.</p>
  
  <p>This works fine for me when I attempt to insert into a WORD document.</p>
  
  <pre><code>Range.InsertFile FileName:="c:\tmp\filename.rtf"
  </code></pre>
  
  <p>If I do this...</p>
  
  <pre><code>variable = "c:\tmp\filename.rtf"
  Range.InsertFile FileName:=variable
  </code></pre>
  
  <p>It does not work.  The error message is, "Sorry, we couldn't find your file.  Was it moved, renamed, or deleted?"  Then it gives me the path in parenthesis.</p>
  
  <p>I have unsuccessfully tried all sorts of permutations that might make this work and Googled for too long.  Any ideas?</p>