Formal and Informal Letter in English

	Formal	Informal
Name	Dear Mr/Mrs/Ms Dupuis Dear Mary	Hi/Hello Mary Mary,....(or no name at all)
Previous Contact	Thank you for your e-mail of... Further to your last e-mail,... I apologize for not getting in contact with you before now.	Thanks for your e-mail. Re your e-mail,... Sorry, I haven't written for ages, but I've been really busy.
Reason for Writing	I am writing in connection with... I am writing with regard to... In reply to your e-mail, here are... Your name was given to me by... We would like to point out that...	Just a short note about... I'm writing about... Here's the...you wanted. I got your name from... Please note that...
Giving Information	I'm writing to let you know that... We are able to confirm that... I am delighted to tell you that... We regret to inform you that...	Just a note to say... We can confirm that... Good news! Unfortunately,...
Attachments	Please find attached my report. I'm sending you ... as a pdf file.	I've attached... Here is the...you wanted.
Asking for information	Could you give me some information about... I would like to know... I'm interested in receiving/finding out...	Can you tell me a little more about... I'd like to know... Please send me...
Requests	I'd be grateful if you could... I wonder if you could... Do you think I could have...? Thank you in advance for your help in this matter.	Please could you... Could you...? Can I have...? I'd appreciate your help on this.
Promising action	I will... I'll investigate the matter. I will contact you again shortly.	I'll... I'll look into it. I'll get back to you soon.
Offering help	Would you like me to...? If you wish, I would be happy to... Let me know whether you would like me to...	Do you want me to...? Shall I...? Let me know if you'd like me to...
Final comments	Thank you for your help. Do not hesitate to contact us again if you require any further information. Please feel free to contact me if you have any questions. My direct line is...	Thanks again for... Let me know if you need anything else. Just give me a call if you have any questions. My number is...
Close	I am looking forward to...(+ -ing) Give me regards to... Best wishes Regards	Looking forward to...(+ -ing) Best wishes to... Speak to/See you soon. Bye (for now) / All the best