Slack · Cookies

Slack Cookie Policy – Plain Language Summary

Slack uses cookies (small text files stored on your device) and similar tracking tools like pixels and web beacons. These are used for a range of purposes: keeping you logged in, securing your account, remembering your preferences, measuring how well the site performs, and running marketing campaigns. Some cookies are Slack's own; others belong to third parties like Google Analytics.

Good news if you're a paying user: Marketing, advertising, and analytics cookies are limited to Slack's public websites (e.g., slack.com). They are explicitly not used inside the Slack app or Services you pay for and use daily.

You can manage or block cookies through your browser settings, or opt out of interest-based advertising through the Digital Advertising Alliance (optout.aboutads.info). Slack also offers a "Manage Your Settings" option. Be aware that blocking cookies can break parts of the experience — you may lose saved login info or personalized settings.

Slack does not honor "Do Not Track" browser signals. The policy states that because Slack doesn't track you across third-party sites over time, DNT signals are considered irrelevant — and Slack won't change its data practices when it receives one.