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