I'm not sure how the COVID situation will affect times now, but before the AOR would take a few months (2-3) on average. If you provided an email with your application, you'll get it by email, otherwise by mail.hi , last monday I send my application citizenship form to immigration , how long it to send me a confirmation ? the confirmation is going to be sent by email or mail ?
This thread here is for people who applied in July 2019. You might want to look for the June 2020 thread so you'll be able to follow the whole process along with others roughly in the same boat as you.