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ILLEGAL CHARACTERS IN FILE NAMES

I once had one of computer tutoring clients calling me to correct a problem she was having saving a letter she'd written using Windows Wordpad. I talked with her about it, found out she was trying save the letter with a file name that contained a date in the form "MM/DD/YY", and then told her that the character / was an illegal one to use in file names. I then looked up what other characters were illegal to use in file names and wrote her an email about it. Here is that list: / ? < > \ : * | " and also any character you can type using the Ctrl key.