Mate’s comprehensive dictionary and custom curated phrasebook will help you accelerate your language learning with both page translation and optional human translation. Where is the Custom Dictionary for Microsoft Word Located? Akemi Iwaya Updated April 14, 2014, 1:02am EDT Building up a solid custom dictionary in Microsoft Word takes a while as you add a handful of words at a time, but once you get it built up, it makes working on your documents a much more pleasant task. But there’s no obvious way to remove a word from the dictionary if you accidentally add one. So if you add a custom word to your dictionary in one application, other Mac apps won’t detect it as a typo in the future. Most Mac applications use the operating system’s spell check feature, and share the same personal dictionary. Get Rid Of Custom Dictionary In Microsoft Word For Mac Word.Recognizing that people may change their minds, Word allows you to edit its custom dictionary, to remove words you may have added accidentally. When you choose the Add to Dictionary command in Word 2013, the given word is placed into the custom dictionary.