To set the continuous loop playback of ppt music, we need to click the PPT playback tool and play it across slides to realize this function. The specific operation method of setting PPT music to play continuously and circularly is as follows:

1. Here, the version of power point 20 13 is taken as a concrete example. First, click the speaker icon that you want to play background music automatically on the PPT homepage.

2. Then we need to click Play at the top of the page.

3. Finally, in the audio playback interface, check the previous controls of cross-sliding playback and loop playback until it stops, so as to realize the requirement of setting continuous loop playback of PPT music.