The icon is the shape of a rectangle with the top line missing to complete it. The top of the rectangle is complete by a partial triangle with no bottom side to it. Inside the rectangle is a square at the upper left corner and another rectangle at the bottom right.
This is the Exterior 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.