Privacy FAQs

No matter where you’re located, Slack is committed to making your working life simpler, more pleasant and productive. With changes to data protection law with General Data Protection Regulation (GDPR), we’ve updated our privacy policy and user terms.

Privacy policy and user terms updates

  • Improved transparency: Our terms and policies are easier to understand.
  • GDPR updates: We’ve clarified our relationship with customers and users.
  • New tools and improved features: Delete profile information and use improved import and export tools, as well as accessing your workspace settings page. 


Workspace settings

The Workspace settings page is where members can review info about workspaces they’ve joined. Here’s what you’ll find there:

  • Your workspace owners and admins plus their contact info
  • Your workspace’s subscription
  • Message and file retention policies
  • Available data export options

 💡 Read more about the Workspace settings page


Delete your Slack account

If you’re ready to permanently leave a workspace, members can deactivate their account and ask a workspace owner to delete their profile information


Delete a workspace

A workspace primary owner can delete their workspace. Read more about deleting a workspace and our security practices.


Transfer ownership of a workspace 

The workspace primary owner can transfer ownership of their workspace. 


Message and file retention

For any workspace, the default message and file retention setting is to keep everything for as long as the workspace exists. 

On paid subscriptions, workspace owners can customise their retention policies. They can choose to set a custom time frame to keep messages and files, and they can also choose to retain all versions of an edited or deleted message.


Edited and deleted messages

On the Free subscription, if you have the option to edit messages, only the most recent version will remain. On paid subscriptions, workspace owners or admins can choose to keep a log of all edited messages. Go to your Workspace settings to confirm which option your workspace has enabled. 


Data storage

Where is my data stored?

Slack is hosted on Amazon Web Services (AWS). We’re currently using data centres hosted exclusively in the United States.


Does the GDPR require EU personal data to stay in the EU?

The GDPR does not require EU data to reside in the European Union. Slack’s Privacy Shield certification, data processing agreement and the European Union’s standard contractual clauses (also known as model clauses), will continue to ensure compliance for EU personal data transfers outside of the EU.


How secure is my data on Slack?

Slack is committed to ensuring our infrastructure is secure, redundant and reliable, while providing your team with tools to administer your environment. We’re proud to surpass the industry standard when it comes to protecting your organisation and we’ve outlined many of our security practices and certifications on our website.


Is my data encrypted?

Slack provides data encryption in transit and at rest. Read more about our approach to security


Data exports and ownership

Who owns the data submitted to a workspace?

A customer owns and controls all content submitted to their workspace. Slack processes customer data on behalf of the customer.


What export tools are available with Slack and who can use them?

  • All subscriptions
    On any subscription, workspace owners and admins can export all data (messages and files) from public channels. 
  • Plus subscription
    Workspace owners can request access to a tool that will download all content from public and private channels. 
  • Free and Standard subscriptions
    The option to download all workspace data is available to workspaces on the Free and Standard subscriptions in limited circumstances. We require workspace owners on these subscriptions to demonstrate (a) valid legal process, (b) consent of members or (c) a requirement or right under applicable laws.
  • Enterprise Grid and selected Slack subscriptions
    Discovery APIs allow eligible Slack customers to use third-party applications to export, retain or archive messages and files submitted to Slack. This includes messages and files migrated to a Slack Enterprise Grid org.

💡 See our Guide to Slack import and export tools to learn more. 


How do I delete personal information from Slack?

When you’re ready to permanently leave a workspace, you can deactivate your account and ask a workspace owner to remove your profile information. (A workspace owner can contact Slack on your behalf to have this done.) 

Before you deactivate your account, you can also remove any profile information you'd like, such as your name and email address. Depending on your workspace's settings, you may be able to delete messages and files you've shared. Get in touch with a Workspace Owner or Admin if you have any questions about editing and deletion settings.

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