What you need to know. Microsoft is testing out the mica blur effect on Word on Windows 11. Mica requires fewer system resources than an acrylic blur because it only samples from a PC's background.

Learn how to enable or disable Blurred Background on Login Screen, also called as Acrylic Blur Effect on Sign-in Screen on your Windows 11/10 computer.

The three types touched on above will be known as Side-Nav Acrylic, Background Acrylic, and In-App Acrylic. These visual effects tie in with other elements that Microsoft is working on ...