[Python] How to read email content in Python 3

I've tried many code to access and read email content, for example, about Gmail i only can do authentication and with Outlook i have code that can read email but it's encrypted...but now it only access email and doesn't output with encrypted information. So i need help to solve this. Thanks

Here's the code:

import imaplib
import base64

email_user = input('Email: ')
email_pass = input('Password: ')

M = imaplib.IMAP4_SSL('imap-mail.outlook.com', 993)
M.login(email_user, email_pass)
M.select()
typ, data = M.search(None, 'ALL')
for num in data[0].split():
typ, data = M.fetch(num, '(RFC822)')
num1 = base64.b64decode(num1)
data1 = base64.b64decode(data)
print('Message %s\n%s\n' % (num, data[0][1]))
M.close()
M.logout()

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