Hi Jorgen,
To add a bit to Shauna's reply, if you're using Word 2003 with an English language version of Word you can access the Encarta
Dictionary from within Word's Research Pane.
Use Ctrl+F1 to display the Task Panes, then the drop down at the top of the Task Pane to select Research, then click 'Research
Options' at the bottom of the pane and then select the Encarta Dictionary.
I don't recall if the default choices there are tied to the Windows Control Panel regional settings.
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Where can It download the English (US) Encarta Dictionary for microsoft word?>>
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Let us know if this helped you,
Bob Buckland ?
MS Office System Products MVP
Pricing and Packages for '2007 Microsoft Office System'
http://microsoft.com/office/preview