My Oxford Learner's Dictionary of Academic English says that Thank you for your time/attention is used only in spoken English, so it is not good in academic emails.
Please tell me what you think about using Thank you for your time/attention in business letters or emails. Is that okay?
Supercat Please tell me what you think about using Thank you for your time/attention in business letters or emails. Is that okay? 'Attention' is odd in a letter closing.
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SupercatPlease tell me what you think about using Thank you for your time/attention in business letters or emails. Is that okay?
'Attention' is odd in a letter closing. However, I often use 'Thank you for your time and consideration.'