The files created by Microsoft Office and Apple's iWork are not created in OpenDocument format -- instead, Microsoft and Apple control the formats their software create -- leaving users worldwide at their mercy, and with a string of incompatible documents.
You can make a difference!
By rejecting all files created in Microsoft Office and Apple iWork and pledging to use OpenDocument, you can send a strong message to your friends, colleagues and businesses that you do not support the actions of these companies.
By rejecting these files, you can open a friendly dialog with the person, and ask them to support a free society by using a free format like OpenDocument.
To add your ideas for a great response, please create a login (or use your existing FSF login) and click the edit tab and then add your text to the list, click save!