Which of the following is correct option for sending same letter to multiple persons?

Which of the following is correct option for sending same letter to multiple persons?

ایک سے زیادہ افراد کو ایک ہی خط بھیجنے کے لیے درج ذیل میں سے کون سا آپشن درست ہے؟
Explanation

Mail merge is the function of MS Word. With the help of mail merge, we can send same letter and pre-addressed envelopes etc. to multiple persons.