ThinkFree提供在线文档编辑和存储功能，保存的文档包括文字，表格以及幻灯片这三种微软的基本格式；在线编辑功能齐全，上传、下载、编辑、预览以及打印等等，另外还能直接发送到电子邮箱。网站提供1G的网络存储空间，对于存储文档的需求应该达到要求。
ThinkFree® is the leader in next-generation office productivity solutions for platform independent, anytime, anywhere-computing. ThinkFree usability extends beyond PCs and is perfect for Internet-connected devices, including thin client and mobile computing platforms.
The award-winning ThinkFree Office is a Microsoft® Office compatible application suite comprised of word processing, spreadsheet, and presentation graphics software-all usable online and off.
ThinkFree Office can automatically install and upgrade over the Web with features such as Internet-based file sharing and storage, as well as end-to-end security. Built for cross-platform functionality, ThinkFree Office is compatible with Windows, Macintosh, Unix and Linux systems.
除了基本的在线文档编辑外，ThinkFree提供的共享功能是本地文档所无法达到的，这就是在线OFFICE和本地的区别。共享文档的优势在于不用将文件多次复制而照成多个版本，直接在线编辑能保持文件的统一性。共享的效果不仅仅在于方便的编辑和协调合作，还在于能够获得更多的资源，减少重复劳动。比如基础的模版能让文档编辑更加规范，同时也能提高工作效率；目前微软的在线OFFICE和Google即将整合各种网站形成的在线OFFICE都是强大的在线办公系统。