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Slack's desktop app is the best way to use Slack on a Mac. Along with the features available in your browser, the app loads your conversations more quickly, gives you more control over notifications, and has better support for multiple workspaces.
Download and install Slack
There are two ways to download Slack for Mac: from the App Store, or the Slack downloads page.
Once the download is complete, open a Finder window and select your Downloads folder. Double click the Slack .zip file to reveal the Slack app icon, if it’s not already there.
Drag and drop the Slack app icon over Applications in the Finder sidebar.
To launch Slack, just double-click the Slack icon in your Applications folder.
Our new Mac app runs faster than ever. 🚗💨 Make sure you have the latest version installed!
Tips and tricks
Sign in to multiple workspaces
You can use the app to sign in to multiple Slack workspaces. Click your workspace name in the top left to open the menu, then click Sign in to another workspace… to get started.
Switch workspaces easily
If you’re signed into multiple workspaces, it’s easy to navigate between them by clicking the workspace's icon in the sidebar on the left. You can even use keyboard shortcuts Cmd1, Cmd2, and so on to quickly switch between workspaces you’re signed in to. Just drag and drop the workspace icons to reorder them.
Add Slack to your dock
Once Slack’s running, you can choose to keep it in your dock. Just right-click the Slack icon, click Options and then click Keep in Dock.
Use the /collapse command in channels with lots of images and videos.
Sign out of any inessential workspaces.
If you have a lot of unread channels, marking them as read can help.
Using OS X 10.8 or earlier? New technologies like native notifications mean we can no longer support older Mac OSes. Going forward, the Slack desktop app is supported on OS X 10.9 and later. For info on upgrading your OS, see Apple's guide to upgrading.
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