Occasionally, my tutorial instructions don’t work for some users. Sometimes, it’s because I left something out. But at other times, it turns out there’s a wrinkle somewhere that I’ve never run across. Like, for this one reader, who can’t get my instructions on how to flag emails for follow-up to work right. Fortunately, there’s (1) a logical explanation and (2) a pretty good workaround. Click the link below to find out the why and the how.