At the end of the open promotion, the features of ThinkFree Office for desktop and mobile will be limited. You need to upgrade the service in order to create new document and edit or save the document using ThinkFree Office for desktop or mobile.
You can use Weboffice to create a new document, edit and save it for free.
The users who signed up during the promotion will keep the provided 10GB storage even after the promotion ends.
For the better user experience, please upgrade your service to PRO!