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Is it possible (using cmd or .bat) to automatically open a text file using the default Windows application?

For example, when opening a .html file, if Chrome is my default browser, the .html will open with Chrome automatically. How can I tell the cmd (or .bat) to open the default program for a particular file extension?

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Use the start command, which I believe uses ShellExecute():

start "" "My text file.txt"

(The first empty parameter is often required.)

  • Thanks. What if there's no document? How would I simply open the default web browser or default text editor? – user910404 May 31 '18 at 9:30
  • @user910404 if this is what you meant to ask in the first place, please edit your question to indicate that. – Twisty Impersonator May 31 '18 at 10:28
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That is what the START command is for.
START <name of document> will load the document in the default application.

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