Slack · Slack Terms of Service · View original document ↗

Customer Data License Grant to Slack

Medium severity Medium confidence Explicitdocumentlanguage Unique · 0 of 343 platforms
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Document Record

What it is

When you use Slack, your organization gives Slack the legal right to access, copy, and use your messages, files, and other content to run and improve the service.

This analysis describes what Slack's agreement states, permits, or reserves. It does not constitute a legal determination about enforceability. Regulatory applicability and practical outcomes may vary by jurisdiction, enforcement context, and individual circumstances. Read our methodology

ConductAtlas Analysis

Why it matters (compliance & governance perspective)

The scope of this license, particularly the phrase 'maintain and improve the applicable Service,' determines whether Slack can use customer communications content for product development or AI training purposes, which carries significant implications under data minimization principles in privacy law.

Interpretive note: The scope of 'improve the applicable Service' is not exhaustively defined in the document, creating ambiguity about whether AI or machine learning training uses are covered.

Clause Stability Stable

0
Changes
3
Months Monitored
May 10, 2026
First Seen
May 22, 2026
Last Seen
This clause type exists across 646 other provisions on other platforms.

Consumer impact (what this means for users)

Messages, files, and other content sent through Slack are subject to a broad operational license granted to Slack; the extent to which 'improve the Service' encompasses AI or machine learning applications is a material ambiguity that organizations with sensitive data should clarify through their DPA.

How other platforms handle this

Kajabi Medium

"Content" means anything you or your Customers create or make available through the Service in connection with your Account, including your intellectual property (e.g. trademarks, trade names, service marks, and copyrighted works); the products or services you offer (e.g., courses, coaching, members...

ConvertKit Medium

By posting, uploading, inputting, providing or submitting your Content you grant Kit, its affiliated companies and necessary sublicensees permission to use your Content in connection with the operation of their Internet businesses including, without limitation, the rights to: copy, distribute, trans...

Epic Games Medium

By submitting, sharing, or otherwise making User-Generated Content available through any of the Licensed Products, including by submitting User-Generated Content using UEFN, you grant Epic a royalty-free, perpetual, irrevocable, non-exclusive, sublicensable, worldwide license to use, reproduce, modi...

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▸ View Original Clause Language DOCUMENT RECORD
"
Customer grants Slack a worldwide, non-exclusive, limited term license to access, use, process, copy, distribute, perform, export, and display Customer Data, and solely to the extent that reformatting Customer Data for display in a Service constitutes a modification or derivative work, to modify and create derivative works of Customer Data, but only as reasonably necessary to provide, maintain and improve the applicable Service as permitted by this Agreement and the Privacy Policy.

— Excerpt from Slack's Slack Terms of Service

ConductAtlas Analysis

Institutional analysis (Compliance & governance intelligence)

REGULATORY LANDSCAPE: This provision engages GDPR Article 5 (purpose limitation and data minimization) and Article 6 (lawful basis for processing) for EU/EEA deployments, as processed purposes must align with disclosed and consented purposes. The FTC Act's prohibition on unfair or deceptive practices applies if the scope of use exceeds what users reasonably expect. CCPA service provider restrictions also constrain permissible uses of California resident data. GOVERNANCE EXPOSURE: Medium. The license language is operationally broad. The phrase 'improve the applicable Service' is not exhaustively defined in the agreement text and may require evaluation against the DPA and Privacy Policy for full scope. Organizations in regulated industries should assess whether this license scope is compatible with their sector-specific data handling obligations. JURISDICTION FLAGS: EU/EEA customers face the highest exposure due to GDPR's strict purpose limitation requirements. California customers should assess CCPA service provider agreement language. Healthcare organizations must evaluate whether PHI could be transmitted and whether BAA protections adequately limit this license. CONTRACT AND VENDOR IMPLICATIONS: Procurement teams should confirm that the executed DPA restricts Slack's use of customer data to clearly defined service delivery purposes and does not permit use for Slack's independent commercial benefit. This is a standard vendor assessment trigger for enterprise SaaS procurement. COMPLIANCE CONSIDERATIONS: Legal teams should map what categories of data flow through Slack workspaces and assess whether those categories require heightened contractual restrictions beyond the MSA baseline. Review of the DPA's permitted processing purposes against this license grant is a priority compliance step.

Full compliance analysis

Regulatory citations, enforcement risk, and due diligence action items.

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Applicable agencies

  • FTC
    The FTC has jurisdiction over unfair or deceptive data practices, including whether the scope of data use exceeds consumer or business expectations based on disclosed terms
    File a complaint →

Provision details

Document information
Document
Slack Terms of Service
Entity
Slack
Document last updated
May 5, 2026
Tracking information
First tracked
April 27, 2026
Last verified
May 10, 2026
Record ID
CA-P-008084
Document ID
CA-D-00191
Evidence Provenance
Source URL
Wayback Machine
Content hash (SHA-256)
967b1612d6d7230c93161d4185eac551b3dd9e7e81636161b14a850051644994
Analysis generated
April 27, 2026 14:04 UTC
Methodology
Evidence
✓ Snapshot stored   ✓ Hash verified
Citation Record
Entity: Slack
Document: Slack Terms of Service
Record ID: CA-P-008084
Captured: 2026-04-27 14:04:01 UTC
SHA-256: 967b1612d6d7230c…
URL: https://conductatlas.com/platform/slack/slack-terms-of-service/customer-data-license-grant-to-slack/
Accessed: July 4, 2026
Permanent archival reference. Stable identifier suitable for legal filings, compliance documentation, and research citation.
Classification
Severity
Medium
Categories

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Frequently Asked Questions

What does Slack's Customer Data License Grant to Slack clause do?

The scope of this license, particularly the phrase 'maintain and improve the applicable Service,' determines whether Slack can use customer communications content for product development or AI training purposes, which carries significant implications under data minimization principles in privacy law.

How does this clause affect you?

Messages, files, and other content sent through Slack are subject to a broad operational license granted to Slack; the extent to which 'improve the Service' encompasses AI or machine learning applications is a material ambiguity that organizations with sensitive data should clarify through their DPA.

Is ConductAtlas affiliated with Slack?

No. ConductAtlas is an independent monitoring service. We are not affiliated with, endorsed by, or sponsored by Slack.