Problem Explanation：
It can be opened by the following two methods:
Method 1: Mi Smart Compact Projector 2 system is based on the Android platform. You can download Office software of the TV terminal, then find "My Application" from the home page. Then, open the document according to the software prompts.
Method 2: Open your Office document from your laptop's operating system, connect the projector via an HDMI cable, and switch the signal source to HDMI.