Slack · Slack Terms of Service · View original document ↗

AI Training Data Use

High severity Rare · 1 of 343 platforms
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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 provision establishes that data used within the service may be applied to model development as a standard operational practice, while creating a mechanism for customers to restrict this use. This affects how customer content is processed and applied across the platform's AI capabilities.

Clause Stability Stable

0
Changes
3
Months Monitored
Apr 27, 2026
First Seen
Apr 27, 2026
Last Seen
This clause type exists across 261 other provisions on other platforms.

Consumer impact (what this means for users)

Under this clause, Slack is authorized to use Customer Data for AI model training unless the customer affirmatively opts out through designated methods. The availability of an opt-out mechanism means customers can restrict this use, but the terms apply as written for customers who do not exercise this option.

How other platforms handle this

DeepL Medium

To improve the quality of our services, we analyse texts submitted for translation. We ensure that this analysis cannot be traced back to individual users by anonymising the data before analysis. DeepL Pro subscribers' texts are not used to train our machine translation systems.

Roblox Medium

We are simplifying our Terms of Use, including clarifications around the use of AI tools, and their data use. We have moved the terms that describe AI Features, which were previously written for a Creator audience and located under the AI-Based Tools Supplemental Terms and Disclaimer, into the User ...

Mistral AI Medium

Data publicly available on the Internet. Our artificial intelligence models are trained on data that is publicly available on the Internet by third parties, which may contain personal data, even if we use good practices to filter out such personal data. [...] Training Datasets. In some cases, we acc...

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▸ View Original Clause Language DOCUMENT RECORD
"
Slack may use Customer Data to train and improve AI/ML models and features that are part of the Services. Customers may opt out of this use by configuring their workspace settings or by contacting Slack. Where Customer has opted out, Slack will not use Customer Data to train its global AI/ML models.

— Excerpt from Slack's Slack Terms of Service

Applicable regulations

EU AI Act
European Union
Colorado AI Act
US-CO
GDPR
European Union
Texas AI Act
Texas, USA
UK GDPR
United Kingdom

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-003511
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-003511
Captured: 2026-04-27 14:04:01 UTC
SHA-256: 967b1612d6d7230c…
URL: https://conductatlas.com/platform/slack/slack-terms-of-service/ai-training-data-use/
Accessed: June 18, 2026
Permanent archival reference. Stable identifier suitable for legal filings, compliance documentation, and research citation.
Classification
Severity
High
Categories

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Frequently Asked Questions

What does Slack's AI Training Data Use clause do?

The provision establishes that data used within the service may be applied to model development as a standard operational practice, while creating a mechanism for customers to restrict this use. This affects how customer content is processed and applied across the platform's AI capabilities.

How does this clause affect you?

Under this clause, Slack is authorized to use Customer Data for AI model training unless the customer affirmatively opts out through designated methods. The availability of an opt-out mechanism means customers can restrict this use, but the terms apply as written for customers who do not exercise this option.

How many platforms have this type of clause?

ConductAtlas has identified this type of provision across 1 platforms. See the full comparison.

Is ConductAtlas affiliated with Slack?

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