Have you ever encountered a perfectly constructed MATCH or a VLOOKUP function failing for no apparent reason? Have you had VBA tell you that a file does not exist even though it does? You may have non-printing characters to blame. There are notorious space-like characters that are invisible to the naked eye, which sneak in when you are importing data from Web Pages, Word Documents or PDFs. In this post we will learn more about these characters and how to remove them from your data.