约 116 个结果
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Free background templates for PowerPoint - Microsoft Support
Add a background picture to slides - Microsoft Support
Save a slide design (theme) as a template - Microsoft Support
Free background templates for PowerPoint - Microsoft Support
Presenting with cameo - Microsoft Support
Layer objects on slides - Microsoft Support
Use the Morph transition in PowerPoint - Microsoft Support
Change the background of slides - Microsoft Support
Add clip art to your file - Microsoft Support
Insert images, icons, and more in Microsoft 365
Create professional slide layouts with Designer - Microsoft Support