When someone shares a link in Slack, other members will see a text preview of the web page. For specific URLs and domains, workspace owners and workspace admins can turn off link previews.
Turn off previews for specific sites
Hover over a link shared in the desktop app.
Click the close icon in the top left to remove the preview.
Tick the box next to Also block previews from this website in the future and select an option from the drop-down menu.
Click Remove and block to confirm.
View a list of blocked previews
From your desktop, click on your workspace name at the top left.
Select Settings & administration from the menu, then click Workspace settings.
Click the Attachments tab.
Under Blocked previews, browse the list of websites with previews turned off.
When someone shares a link in Slack, other members will see a text preview of the web page. For specific URLs and domains, workspace owners and workspace admins can turn off link previews.
Turn off previews for specific sites
Hover over a link shared in the desktop app.
Click the close icon in the top left to remove the preview.
Tick the box next to Also block previews from this website in the future and select an option from the drop-down menu.
Click Remove and block to confirm.
View a list of blocked previews
From your desktop, click your workspace name in the sidebar.
Hover over Tools & settings, then select Workspace settings.
Click the Attachments tab.
Under Blocked previews, browse the list of websites with previews turned off.