Cancel your Greenshield subscription by mail
Greenshield deals with cancellations through the post, so the request goes in a letter and the certified-mail receipt is your proof of when. Post for Greenshield is handled in Windsor, Canada, which is where your letter is headed.
Let Postbye cancel Greenshield for you
We write your letter, mail it by certified mail the next business day, and confirm when the cancellation went through. You keep the signed proof.
Money-back guarantee within 10 business days.
Postbye is not affiliated with Greenshield.
- 4.8 from 2,931 reviews
- 3 Greenshield cancellations handled this month
- Certified mail with tracking
- Mailed every business day
- Delivery proof sent to you
- We confirm your cancellation
How to cancel Greenshield by mail
Find your account details
Before writing, collect the name and email on the account and, if you have one, an account or customer number. Greenshield can only act on a request it can match to an account.
Write the cancellation request
Postbye turns the request into a finished English letter headed “Subject: Cancellation Request – [your name]”: close the Greenshield account, stop every charge and reply in writing.
Send it by certified mail
Take the letter to the post office and ask for certified delivery to N8N 5G1 Windsor. Keep the tracking number it gives you.
File the delivery record
It shows the date Greenshield received your letter. Check your next statement: no Greenshield charge should post after the cancellation date.
With Postbye, steps 2 to 4 take about two minutes of your time.
Where your Greenshield cancellation letter goes
Greenshield can be reached by post at Anchor Drive 8677, N8N 5G1 Windsor, Canada.
Windsor is in Ontario, Canada; the postal code to quote is N8N 5G1.
Your name, address and email appear in a short block labelled Account holder, Billing address on file and Email on file, under the greeting “To Whom It May Concern,”.
Prefer to write it yourself? Use our letter template
Every address we hold for Greenshield, with the envelope wording
Before you cancel Greenshield, check these
- Cancelling usually ends access at the end of the period you paid for, so you keep what you paid for until then.
- Use the same name and email as on the account. A mismatch can delay the request.
- Check your next statement: no charge should appear after the cancellation date.
Several states set rules for subscriptions that renew on their own. See what yours requires in automatic renewal laws by state.
Let Postbye cancel Greenshield for you
We write your letter, mail it by certified mail the next business day, and confirm when the cancellation went through. You keep the signed proof.
How cancelling by mail works
Subscriptions renew automatically, and a written request is the clearest record that you asked to stop it before the next billing date.
If a charge shows up after you cancelled, the letter and its receipt are what you put in front of the company or your bank.
Greenshield cancellation at a glance
- How Greenshield accepts cancellations
- By mailed letter
- Mailing address on file
- Greenshield Anchor Drive 8677 N8N 5G1 Windsor Canada
- Country
- Canada
- Letter language
- English (template en-generic)
- Added to the database
- May 19, 2026
- Data last checked
