This is the Zapisz Archiwum 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.
It's a logo of a rectangle in portrait orientation with a closed zipper coming down from the top of the rectangle to below the middle. On the lower right in front of the rectangle is a small square with its upper right section cut off with a horizontal line in its upper half and a fat dot in its lower half.