Micron or mu in Word

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How to type the micron/micrometer symbol in Word.

Stuart H has an AutoCorrect suggestion:

” I need to use the symbol μ for micron (1/000 mm) and use mu for this. “

The Micrometre / Micrometer is one-millionth of a meter.

The μ character is the Greek letter ‘mu‘ which is the standard prefix for millionth. It’s the only SI / metric prefix which isn’t on the standard keyboard.

Typing that character is a perfect example of AutoCorrect as useful shortcut.

Enter the character into a document via the Insert | Symbol dialog. The Character code is 03BC from Unicode (hex).Micron Mu Word Office

In Word use the shortcut  03BC then Alt + X

Once in a document you can copy it to AutoCorrect and make your own shortcut.

Excel and PowerPoint

use Insert | Symbol


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