New to 3CX? Great! This user guide is the ideal starting point to get to grips with the most essential features. Whether you’re using the Web Client, mobile apps or a desk phone, 3CX provides all the tools you need to communicate effectively. Call, chat or video conference with your team & customers. If you're already familiar with 3CX, check out our in depth guides to find out what more you can do.
![Integrate 3CX with your Microsoft 365 account Microsoft 365 Calendar Screenshot](https://cdn.statically.io/img/www.3cx.com/wp-content/uploads/2021/08/ms-365-user-manual.png)