Change the transparency (or opacity) of an entire picture in Office. You can choose from seven preset transparency options for your picture, or you can customize the transparency percentage.
Microsoft Unified Support Levels
Microsoft Support Ticket - US Cloud
square transparent background concept seamless pattern vector illustration Stock Vector Image & Art - Alamy, Transparent
Transparent Title Bar - Microsoft Community
Transparent box on screen - Microsoft Community
Sparkle PNG, Transparent Sparkles Clipart Download - Free Transparent PNG Logos, Transparent
How to make images transparent in PowerPoint, make gif transparent
Insert pictures and documents in Whiteboard - Microsoft Support
Use Microsoft Support and Recovery Assistant (SaRA) in Windows 10
Make a picture transparent - Microsoft Support, png editor with transparency