What should I do if some fonts cannot be saved when saving the ppt?

Demo version: Microsoft Office PowerPoint2010 (Model: Dell G3)

1.

First, click the "File" tab at the top of the page and select "Options";

2.

Then select the "Save" button in the pop-up "PowerPoint Options" window, find "Embed fonts in file", and check the front;

3.

Finally, click the "File" tab at the top of the page and select the "Save" button.