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Don't think there are any applications out there that do this, but i have written a very dirty applescript (i don't have that much time to work around the basic applescript support in pages) that will export it for you. Basically all it does it press the buttons so it is very prone to failure. However i will provide it but there are some guidelines. It will export to the desktop, adjust the delays depending on how long your documents take to open, save etc. Just open Script editor, copy the code into it. Press run. It will then pop up asking for a folder with the pages documents inside it. Then it will go about opening and exporting them as word then closing the windows. Hope this helps and you can get it working.


Code:
tell application "Finder"
	set pathoffolder to choose folder
	set pagesfiles to entire contents of pathoffolder
	repeat with each_item in pagesfiles
		tell application "Pages"
			set docname to open each_item
			set nameofwin to name of front document
			tell document 1
				tell application "System Events"
					tell process "Pages"
						delay 1
						click menu item "Export…" of menu 1 of menu bar item "File" of menu bar 1
						delay 1
						click button "Word" of radio group 1 of sheet 1 of window nameofwin
						delay 1
						click button "Next..." of sheet 1 of window nameofwin
						delay 1
						click button "Export" of sheet 1 of window nameofwin
						
					end tell
				end tell
				
			end tell
			close document nameofwin
		end tell
	end repeat
end tell
 
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