View details and encodings for Unicode character U+25A7 Square With Upper Left To Lower Right Fill, located in the Geometric Shapes block and Other Symbol category. This character was released in 1993 under Unicode version 1.1.
▧▧U+25A7;9639\0025A7\u25A7\x{25A7}\u{25A7}u'\u25A7'E296A725A7000025A7