Slack Connect is a secure way to collaborate across companies — right in Slack. If they’d like, owners and admins can manage their members' ability to upload and share files in channels and DMs with people from other companies.
Manage file upload permissions
Standard and Plus plans
Enterprise Grid plan
By default, members can upload and share files in channels and DMs with people from other companies. Workspace Owners and Workspace Admins can adjust this permission:
From your desktop, click your workspace name in the top left.
Select Settings & administration from the menu, then click Workspace settings.
Click the Permissions tab.
Next to File uploads for Slack Connect, click Expand.
Check or uncheck the box to manage file uploads.
Click Save.
Org level
By default, members can upload and share files in channels and DMs with people from other companies. Org Owners and Org Admins can enable or disable this permission for their organization. They can also choose whether Workspace Owners and Workspace Admins can enable or disable file uploads for individual workspace(s).
From your desktop, click your workspace name in the top left.
Select Settings & administration, then click Organization settings.
Click Slack Connect in the left sidebar, then select Settings.
Next to File uploads, click Edit.
Check or uncheck the box next to Enable. Then select an option below Who can control this setting?
Click Save Setting.
Workspace level
If permission hasn’t been restricted at the org level, Workspace Owners and Workspace Admins can manage file upload permissions for their workspace(s):
From your desktop, click your workspace name in the top left.
Select Settings & administration from the menu, then click Workspace settings.
Click the Permissions tab.
Next to File uploads for Slack Connect, click Expand.