Slack is a team communication platform, reviewed here for native AI commitments, Customer Data controls, website tracking, retention policies, exports, and workspace administration.
80
Good
80
Good
Slack gives admins strong workspace controls, but privacy still depends on retention rules, exports, apps, and site tracking.
Slack is strongest where workspace owners can control retention, exports, app installs, and member access through mature admin settings.
For end users, privacy is weakest when admins or apps can see more message history, files, and AI-generated outputs than expected.
80
Good
Slack says Customer Data is not used to train LLMs.
Slack says generative AI training requires affirmative opt-in consent.
80
Good
70
Mixed
75
Good
85
Good
Slack Privacy Page
Open: slack.comSlack Privacy Page
Open: slack.comArticles 28310650165907 Security For AI Features In Slack
Open: slack.comSlack Privacy Page
Open: slack.comCookie Policy
Open: slack.comArticles 203457187 Customize Data Retention In Slack
Open: slack.comTrust Ai Principles
Open: slack.comArticles 204067366
Open: slack.com1. AI Use
Slack says Customer Data is not used to train LLMs.
2. AI Use
Slack says generative AI training requires affirmative opt-in consent.
3. AI Use
Native AI features respect member access permissions.
4. AI Use
Non-generative predictive models may analyze Customer Data for recommendations and search-related features.
Founded
Unknown
Founder
Unknown
Parent Company
Slack
Lifecycle
Active
Category
Communication & Meetings
CEO
Unknown
Security Team
In house
Date Added
04-21-2026
Once you delete a chat, you cannot recover it. Deleting a chat removes it both from your visible chat history and the system after the retention window.
Non-generative predictive models may analyze Customer Data for recommendations and search-related features.
80
Good
Customers own and control Slack Customer Data.
Native Slack AI keeps Customer Data inside Slack-controlled infrastructure.
Third-party apps and integrations may process data under their own policies.
Slack uses affiliates, subprocessors, and service providers under customer agreements.
70
Mixed
Third-party cookies are used on Slack websites for analytics and marketing.
Marketing cookies are used on Slack websites, not in the Slack Services.
Cookie controls and interest-based advertising opt-outs are available.
Slack's cookie and ad tracking posture is stronger for the app than for the marketing website.
75
Good
Workspace owners can customize retention policies for messages, files, canvases, and lists.
Paid-plan data is retained for the workspace lifetime by default.
Deleted or edited content can remain available in exports or Discovery API depending on retention policy.
Free plans can retain data for 90 days or one year.
85
Good
Customers can export, edit, and delete Slack data.
Admins can enable or disable Slack AI features.
Workspace and profile deletion are owner-controlled actions.
Private channel and DM export access is limited to higher plans or approved export workflows.
Retention settings are available, but strongest controls depend on plan and admin role.
