Matching Pairs Email writingOnline version Useful phrases for opening, ending in formal vs informal ways by Mária Fejes 1 A friendly, informal introduction to say why you are writing 2 An informal way to address colleagues you often work with 3 A friendly ending that can be used in formal or informal correspondence 4 A formal form of address that is also used when first contacting a person 5 A more formal introduction to say why you are writing 6 Formal way of closing an email 7 An informal ending to indicate a reply is necessary 8 Most commonly used formal&informal close 9 Friendly, informal close (I am) looking forward to your reply. Regards/Best wishes Bye/All the best/Cheers Hope to hear from you soon. Yours sincerely Just a quick note to... Dear Sir/Madam I am writing to/regarding Hi/Hello/Hey