Some of these cannot be used in professional circumstances, as they are more for use in informal situations, with people you are familiar withJul 25, 12 #4 If your message or letter asked for specific information, you could write "I look forward to receiving this information from you soon" If you just look forward to a reply, henrylee100 gave you good advice (Also, "you" is not capitalized in English, unless it begins a sentence or you are speaking to God)I look forward to your reply/ I look forward to hearing from you – Same I look forward to hearing from you/ I look forward to hearing from you soon – Same I look forward to hearing from you soon/ I expect to hear from you soon – Different The latter is very direct and usually rather rude I look forward to hearing from you/ I'm looking forward to hearing from you/ I Am Looking Forward To Hearing From You Soon Look forward to hearing from you professional