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It's easy to share web content like articles, websites, and tweets with your workspace. When a link is shared in conversation, you'll see a text preview of the website's content attached to your message. Or, you can turn link previews off.
To share a link in Slack, just copy and paste the URL into the message field.
Slack will automatically expand most links to display a text preview of the web page. Here's an example of what this looks like from the desktop app:
Note: It’s not possible to hyperlink words in a Slack message.
When previews don't expand
There are a few reasons your link might not expand to show a text preview:
The link contains no preview data. If the web page doesn't include the necessary embedded data, the preview won't expand.
You linked to a private page or file. For example, you won't see a preview of password-protected YouTube or Vimeo videos.
It was recently posted by another member of your workspace. No attachment will expand if that link was shared in the same conversation within the past hour.
You haven’t added the Twitter app yet. If Twitter URLs don’t expand to show the full tweet, add the Twitter app to your workspace.
The link was to video or audio hosted by a service we've yet to whitelist. We're working to whitelist more services in future!
http:// was not included. Try adding http:// and your link should expand.
Your message contains more than four links. If your message has five or more links included, they won't expand.
Manage link previews
Remove a link preview from a conversation
If you'd like to remove a text preview of a linked website, just hover over the preview in the desktop app and click the that appears on the left side. On mobile apps, tap and hold the preview, then select Delete attachment.
Turn off link previews
If you’d prefer not to see attachments previewing a link's content, you can adjust your settings:
From your desktop, click your workspace name in the top left.
Select Preferences from the menu.
Select Messages & Media.
Under Inline Media & Links, check or uncheck the box next to Show text previews of linked websites.
Your workspace's safety and security comes first. As an added layer of protection, we’ll let you know if we’ve identified a potentially unsafe webpage or malicious link. If you come across one of these advisories, please proceed carefully!
Please note that Slack does not send any customer data to Google. For more information, visit Google’s Safe Browsing Advisory.
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