I have inherited a Word document.


If I hit F7 to do a spell check, the spell check is in US English
I want to change the language to UK English

The language setting for Word on my computer (File, Options, Language is English UK)

How do I change the language of the document?

Select the entire document (from within the document).
Change the proofing language under the Review tab.

The proofing language setting is character by character, like bold or underline, not by document or system. For more, see Mastering the Spelling Checker