For reading the .msg file, I am using python built in library "email". you can read .msg file by below code.
Thank you guys for your support.
import email
def read_MSG(file):
email_File = open(file)
messagedic = email.Message(email_File)
content_type = messagedic["plain/text"]
FROM = messagedic["From"]
TO = messagedic.getaddr("To")
sujet = messagedic["Subject"]
email_File.close()
return content_type, FROM, TO, sujet
myMSG= read_MSG("client.msg")
print myMSG
Thank you guys for your support.