What is “spell check” or “spell checker”? It is a software program designed to identify misspelled words and notify the user. This notification, if using Microsoft Word, displays as a red squiggly line, and with a right click of the mouse, will have suggestions if the spelling is incorrect.
A blue line is a word that is spelled correctly but does not seem to be the correct use of the word for the sentence. For example, you type “too” but the word should be “to.”READ MORE