Outlook Links & Firefox

November 12, 2007 at 11:15 am | Posted in Uncategorized | Leave a comment

For the past few months after upgrading to a newer version of FireFox 2.x, every time I click on a link in Outlook I get an error box. I was also having the same problem at work with a Windows XP Pro / Outlook 2003 setup. I finally decided to look into it and fix the problem.

It was harder to fix the problem in Vista than in Windows XP.


In Vista, they have removed (or hidden) where you customise File Type extensions so you must create a registry file or use RegEdit to add a key.

  1. Using notepad create a reg file (ending in .reg)
  2. Paste the following into the file:

    Windows Registry Editor Version 5.00


  3. Run the reg file and restart Outlook.

Windows XP

Windows XP allows you to customise the File Type extensions from Explorer.

  1. Open Windows Explorer (Not IE)
  2. Click on Tools | Options | FileTypes
  3. Find the extensions that are marked (NONE) and start with URL: HyperText
  4. Click Advanced
  5. Edit the Open action and clear out text in the DDE Message field.
  6. Apply changes.

Thanks to Dean Lisenby and Dosboy’s Bits and Bytes.


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