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Unicode is a character encoding standard that has widespread acceptance. Microsoft software uses Unicode at its core. Whether you realize it or not, you are using Unicode already! Basically, âcomputers just deal with numbers. They store letters and other characters by assigning a number for each one.
Windows Unicode (UTF-16) uses 2 bytes to represent each character. 2 bytes (16 bits) (256x256=65536 codes) provides enough char codes to represent all the most common world characters. UTF-32 has an even larger capacity however most Windows application such as MS Help 2 work in UTF-16.