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Last month, 17.840+ customers made a successful cancellation using Xpendy.

Slack cancellation letter

Slack
Attn: Customer Service
500 Howard St
San Francisco CA 94105
United States of America

16-12-2025, Place of residence

CERTIFIED MAIL: Canceling Slack subscription

Dear Sir/Madam,

I hereby cancel my subscription with Slack effective immediately upon receipt of this letter.

Personal data:
Name: First Name Last Name

Address: Street and House number
ZIP code + City: ZIP code City

Email: Email

Please ensure that the direct debit authorization is terminated simultaneously.

Furthermore, I request, in accordance with the provisions of the California Consumer Privacy Act (CCPA), immediate deletion of all my personal data as defined under the CCPA, except as provided in Section 1798.105 CCPA.

I look forward to receiving confirmation of this cancellation and the deletion of my personal data at the above email address.

Yours sincerely,

Name

1. Enter your subscription data

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2. We automatically sign your cancellation letter

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Subscription provider is legally obliged to process your cancellation

3. We'll send your cancellation letter

Verified headquarter adressess
Shipment tracking with Track and Trace

4. Cheers! Your subscription's cancelled

Relax! We will handle it for you
100% guarantee policy

What we can guarantee

We are independent from and not affiliated with Slack.
Are you still not satisfied with your purchase, despite our extensive services and guarantees? We offer a money-back guarantee: within 10 business days, you will automatically receive a refund of the amount paid to your account.
All cancellations are legally validated and trackable, and sent to verified addresses — guaranteed to be processed. We don’t charge any additional fees for shipping.
A one-time fee of $14,95 (including taxes) applies to your initial cancellation. On the confirmation page, you’ll also have the option to subscribe to myXpendy for just $7.95/month, allowing you to cancel unlimited subscriptions anytime.

What people don’t realize is that

Unused subscriptions

85%

Are paying for at least one subscription they don’t use.

No clue

55%

Don’t have a clue on how to cancel their subscriptions.

Underestimate cost

80%

Underestimate how much they’re actually spending on subscriptions.

Feel trapped

40%

Say they’ve felt trapped in a subscription they didn’t intend to renew.

Why Xpendy
is the perfect choice

Xpendy helps people in 20+ countries cancel subscriptions hassle-free in just 2 minutes.

Cancel Slack

Cancel subscriptions in 2 minutes
No need to contact customer service
Registered mail with track & trace
Legally valid cancellation letter
Your details filled in automatically
Clear and user-friendly process
100% satisfaction guarantee

Finding contact details yourself
Long wait times with customer service
No proof of cancellation
Writing and sending the letter on your own
Incomplete or invalid cancellation
Time-consuming and stressful
Unclear cancellation terms

Cancel Slack

Frequently Asked Questions about Slack

Do you want to cancel your Other membership with Slack? Then we can do this for you! We will take care of the cancellation by sending a letter of cancellation to Slack with all the necessary details on your behalf. We do this by sending a registered letter and keeping you updated throughout the process. By sending a registered letter, the cancellation is completely legally valid. You will also receive a proof of posting. So, you have full assurance that your Other membership is cancelled. Cancelling has never been so easy!

With Slack, you can find your notice period in your contract and in the general terms and conditions.

Your Other subscription to Slack is cancelable at any time according to the terms of your contract.

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Slack

Slack contact

Slack customer service

There are several ways to reach Slack customer service. You can quickly find answers to various questions per topic through the customer service page. If you still don't have an answer to your question or prefer to contact Slack yourself? These are the options:

Slack phone number and email address

You can reach Slack by phone on (855) 980-5920. Please note, there is a possibility that you will be placed in a queue. You can also email customer service at [email protected].

How can I cancel Slack?

Cancel your Slack subscription quickly and easily with Xpendy! Our service allows you to cancel Slack quickly and easily. Within 2 minutes, your subscription will be cancelled! We will send your cancellation by registered letter to the company of your choice.

Website

https://slack.com/

Address:

Slack
500 Howard St
San Francisco CA 94105
United States of America

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