<p>Google has warned Google Apps users that they will be unable to download documents to their computers in Microsoft Office 1997-2003 formats from the start of October.</p><p>Google Apps runs in the cloud, providing an alternative to Microsoft's Office productivity suite.</p><p>Users of versions of Office bought before 2007 may be unable to open documents modified using Google Apps.</p><p>The formats no longer supported are .doc, .xls and .ppt.</p><p><a href="http://www.bbc.co.uk/news/technology-19741880">Keep reading...</a></p>