Open your Word or Excel or PowerPoint document. Go to the Insert Tab. At the far-right section, you’ll see the Symbols group. Select Symbol > More Symbols. The Symbol window will appear as below. From this window, you can find the symbol (¬).

You can use the Symbol dialog box to find the character code (or keyboard shortcut) for any symbol or character. This way you can insert symbols by typing them on your keyboard instead of using the Symbol dialog box. Here’s how to learn the keyboard shortcut code for a particular symbol or character in Word: Open the Symbols dialog box.

Inserting symbols and special characters like Trademark and Copyright in any Windows software like Word, PowerPoint and Excel is very simple with the use of ALT key in the keyboard.