I'm sending emails in HMTL via Outlook 2011. When getting a reply in Text, my apostrophes are converted to the number "1". My parentheses marks also at times are converted to 1. And, there's a capital 'E' dropped right after an open parenthesis mark and before the first letter inside the parens, reading (E. 

Help! People are seeing this as my emails come into them, even on Mac in addition to Windows. So, doesn't seem to be an issue as they reply, but as it comes into them.