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Fix Outlook Express to Properly Handle E-mail (mailto:) Links

Many people rely on Outlook Express to send and receive e-mail. One of the most common issues with Outlook Express is that it will fail to handle “mailto:” links on web pages correctly. Clicking an e-mail address in a web page may open a blank window, present an error message, or not respond at all. In any case, the following steps will usually fix the problem.


Follow these steps to configure Outlook Express to properly handle “mailto:” links:

  1. Download this REG [1] file. Save it to your desktop.
  2. Double-click on the REG file on your desktop.
  3. You will be asked if you want to merge the file with your registry. Click “yes”. Also reply in the affirmative to any additional notifications that pop up.
  4. Open your start menu and click “Run…”
  5. Type “REGSVR32 URLMON.DLL” without quotes.
  6. Press “OK”.
  7. Open the “Run…” window again.
  8. Type ‘ “C:\Program Files\Outlook Express\MSIMN.EXE” /REG ‘ with the double quotes.
  9. Press “OK”.
  10. Restart your computer.
  11. Open up Outlook Express, go to the options window, and click “Make Default” at the bottom.

That should do it. If you still are having issues, you probably have a more serious problem that will need attention.