This is the Okienko szczegółów 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.
The image is a square that looks like a sheet of paper. There are four dashes in a vertical line on the left. To the right of the dashes are four vertical lines. There is one line to each dash. The lines and dashes are on the sheet. At the bottom of the sheet the edge comes to a point.