1

Good afternoon,

I have to send an e-mail to my future traineeship's menthor and I don't know how I can write to her today in a formal way a Happy New Year's greeting.

Thank you for your help.

4

"Happy New Year" is fine in both casual and formal contexts.

| improve this answer | |
  • Often it is written with an exclamation point (Happy New Year!). I would. – user3169 Jan 6 '15 at 20:55

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