How to set the slicing time of each ppt slide? How to set the autoplay of ppt?

Slide Show-Rehearsal Timing (Slide Show Once)-Select Keep Last-Select Yes.

Slide Show-Check the use of rehearsal timing ".

If you want to use Click Time, you can display it manually in Slide Show-uncheck Use Rehearsal Timing.

Open PPT animation

Switch to this slide

In the film changing mode, the input time is, for example, 20 seconds after "Automatically set animation effect after this".

All applications are enough.