http://www.h-online.com/open/news/item/Portuguese-government-goes-ODF-only-17...
Объявлены стандартными: ODF, PDF, XML, XMPP, IMAP, SMTP, CALDAV, LDAP.
OOXML неугоден правительству, о чем прямо и заявлено: The selection of ODF means that the ISO standard OOXML, pushed by Microsoft, is not eligible to be used even though it is technically an open standard.