Reliable. MicrosoftOffice is a set of office software based on Windows operating system developed by Microsoft Corporation. Common components are Word, Excel, PowerPoint, etc. Office Education Edition is a complete set of educational cloud services created by Microsoft for educational institutions, which is very reliable. It not only contains the latest version of office software, but also meets the needs of educational institutions in mail processing and scheduling, cross-regional teaching information sharing, instant messaging and online visual network teaching classrooms.