Open the Excel Options dialog by clicking on the Office button and selecting the Excel Options button. In the Excel Options dialog, go to the Proofing section and click the AutoCorrect Options button. In the AutoCorrect dialog, go to the AutoFormat As You Type tab and make sure 'Internet and network paths with hyperlinks' is checked. See full list on excel-easy.com.
So, if you want to make MS Outlook 2007 auto-hyperlink while you do this:

The Very Scary Fall Giveaway for Excel Nerds is going strong, with lots of frightening Excel horror stories and some scary costume ideas. Please take a few minutes to read the comments, and add your contribution. Then, keep reading, to see how to stop automatic hyperlinks in Excel.
In the annoying, but not scary category, I’ve been entering network paths in Excel, and they turn into hyperlinks when I press Enter.
Sometimes that’s a helpful feature, but in this case it makes it hard to go back and edit the cell.
If you don’t want hyperlinks created automatically, you can turn the feature off.
To turn the hyperlink option off in Excel 2007:
To turn the hyperlink option off in Excel 2002 or Excel 2003:

If you want to leave the hyperlink feature on, you can undo the hyperlink immediately after it’s created.
To manually remove the hyperlink:
This is a shortcut for Undo, and will convert the hyperlink back to text.

To change a group of cells that contain hyperlinks, you can use the following code. It deletes all the hyperlinks in the selected cells.
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