The icon is shaped like a circle but the top right corner of it doesn't fully connect. At the center of the circle is a check mark. The end of the check mark sticks out the opening in the circle a bit.
This is the Checked icon for Windows 10
. Here we go. Optimized for 32x32 px, these are the simplest icons in the line style. Downloadable formats are PNG and SVG, among others. Icons8 icon pack is unique in providing a huge number of icons designed by the same team of four designers who create the new icons every working day in the same style and with the same quality. Same cool as the Bat Face, huh.