Question

Reply to all option should be used every time in email.
.
.
correct or incorrect
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Answer 1

Incorrect...

when U wanna reply for one person use"reply"

when U wanna reply everyone use "reply all"

Explanation:

Use Reply when you only want to send your message to a single person in an email thread -- either the original sender of the email or the last person to reply in the thread. Reply All when you want to respond to every contact on the thread.