Blur a picture in Word or PowerPoint - Microsoft Support
Format Objects or Text with Glow or Soft Edges - Microsoft …
Record your presentation - Microsoft Support
Office apps appear the wrong size or blurry on external monitors
Edit pictures - Microsoft Support
Cover part of a picture - Microsoft Support
Video: Add and change picture effects - Microsoft Support
Change the default resolution for inserting pictures in Office
Record a slide show with narration and slide timings
Turn off picture compression - Microsoft Support
Content not shown in optimal fidelity - Microsoft Support