标签:add watermark

  • How to Add a Watermark to All Slides in PowerPoint

    时间:2019-10-14 作者:Olivia

    You can protect the PPT content from unauthorized copying by adding a watermark to all slides. The smartest way to achieve it is to use Slide Master, and in this post, I will share the detailed steps. Just have a look and make your PowerPoint presentation more professional. 1. Go to View tab, find Master […]