- Category
How to add background music in PPT
807浏览 119喜欢
Teach you how to make slide background fill
768浏览 243喜欢
A set of fresh and beautiful background pictures
765浏览 232喜欢
How to add picture background to speedoffice (PPT)
1051浏览 196喜欢
5 ways to quickly get the PPT background
1123浏览 179喜欢
![[Improve PPT skills] Master these 4 image processing techniques to make your presentations better!]( https://resources2020.oss-cn-beijing.aliyuncs.com/image/20932a2644d7e0decd222a7d08e5d8cd.jpg)
