Download Slack for Mac

The Slack desktop app is the best way to experience Slack on the Mac operating system (OS). To get started, take a look at the steps we’ve outlined below.


Step 1: Download the Slack app

There are two ways to download Slack for Mac: from the App Store, or the Slack downloads page.

App Store

Download from Slack

  1. Find Slack in the App Store.
  2. Click Install.
  3. To launch Slack, open a Finder window, select the Applications folder in the sidebar, then find and double-click the Slack icon.
  1. Visit slack.com/downloads.
  2. Click Download.
  3. Once the download is complete, open a Finder window and select your Downloads folder.
  4. Double click the Slack .dmg file. This will open a small window.
  5. Drag and drop the Slack icon to the Applications folder in the window.
  6. To launch the Slack app, open the Applications folder and double-click the Slack icon.

Using macOS 10.9 or earlier? The Slack desktop app only supports macOS 10.10 and later. For more info, see Apple's guide to upgrading your OS.


Step 2: Sign into your workspace

After installing the Slack app, sign in to your workspace. If you don't have a Slack workspace to sign in to, you’ll need to join a workspace or create your own.

 

Common questions

Slack keeps asking me to update

This can happen if you have more than one version of Slack installed on your computer. For example, a copy of Slack might exist in both the Applications and Downloads folders. Here’s what you’ll need to do to fix this issue:

  1. Open Finder and search for Slack (make sure This Mac filter is selected).
  2. Highlight all copies of Slack and delete them.  
  3. In your dock, right click on the Trash icon and select Empty Trash.
  4. Get the latest version of Slack, and install it in the Applications folder.


Slack keeps asking for the administrator password

In order to update the desktop app, it requires access to Slack’s installation folder. In controlled environments, if Slack is installed with root level ownership, this can cause an issue. By default, the Slack app is installed in /Applications. In these cases, we recommend moving the Slack folder to ~/Applications, where they can be owned by the current macOS user. 

If the issue persists, ensure that the user has write permissions for the following:

  • ~/Library/Caches/com.tinyspeck.slackmacgap
  • ~/Library/Caches/com.tinyspeck.slackmacgap.ShipIt

Be sure the user has write permissions for these specific files and folders:

  • /Applications/Slack.app
  • ~/Library/Caches/com.tinyspeck.slackmacgap
  • ~/Library/Caches/com.tinyspeck.slackmacgap.ShipIt

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