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Left Square Bracket ALT Codes

ALT+91

To type left square bracket [ on your computer, Just hold down the Alt key while typing the alt key code 91 on the numeric keypad of your keyboard. If you don not have one, hold down the Fn and Alt keys while typing the alt code number.
Symbols » Alt Codes » Alt Codes ( ᗩᒪ☂ ℃ṎᗪḘṦ )