How to Pin on Slack on PC or Mac

Open Slack. It’s in the Applications folder on macOS, and the Windows Start menu on Windows. You can also sign into your team by visiting its URL in a web browser.

Click the channel you want to pin something to. Channels are listed beneath the “Channels” header in the left column.

Hover the mouse over the message or file you want to pin. Four icons will appear at its top-right corner.

Click ⋯.

Click Pin to @. A confirmation message will appear.

Click Yes, pin this file. The selected item is now pinned to the channel.