1. Open the Slack app.
2. From your computer’s top menu bar, click Slack.
3. Select About Slack. In the pop-up window, you'll see the App Store mentioned if that's the version you're using.

1. Open the Slack app.
2. Click the ☰ three lines icon in the top-left corner of the Slack app, then select Help.
3. Select About Slack. In the pop-up window, you'll see the Microsoft Store mentioned if that's the version you're using.

Note: If your version number is prepended by MSQ, desktop app updates are managed and deployed by your organization. If you can’t update your Slack app, reach out to your IT team or Slack admins for help.

1. Open the Slack app.
2. Click Help in the top left of the Slack app.
3. Select About Slack. In the pop-up window, you'll see the Snap Store mentioned if that's the version you're using.

Direct Download version

1. Open the Slack app.
2. Click Slack in your computer’s menu bar.
3. Click Check for Updates, then click Restart to Apply Update.

Tip: When an update is available, the  help icon in Slack will be badged. You can click the  help icon then click the update card and select Restart Slack to update the app.

Mac App Store version

1. Open the App Store on your computer.
2. Click Updates in the left sidebar.
3. If there are available updates for Slack under Pending, click Update.

Direct Download version

1. Open the Slack app.
2. Click the ☰ three lines icon in the top-left corner of the Slack app, then select Help.
3. Click Check for Updates, then click Restart to Apply Update.

Tip: When an update is available, the  help icon in Slack will be badged. You can click the  help icon then click the update card and select Restart Slack to update the app.

Microsoft Store version

1. Open the Microsoft Store on your computer.
2. Click the ••• three dots button in the top right.
3. Select Downloads and updates.
4. If there are available updates for Slack, click Get updates.

Direct Download version

1. Quit Slack.
2. Open Finder on your computer.
3. In the Finder search field, type .app. From the drop-down menu, select Kind, then Application.
4. Enter Slack into the search field to filter your search results. Then toggle your results to This Mac instead of a specific folder.
5. Move any search results to the trash.
6. From Finder, press ⌘ShiftG on your keyboard and enter ~/Library/Application Support/Slack in the search field.
7. Move all files and folders to the trash, then click Empty.
8. Visit https://slack.com/downloads/mac to re-download the desktop app.

Mac App Store version

1. Quit Slack.
2. Open Finder on your computer.
3. In the Finder search field, type .app. From the drop-down menu, select Kind, then Application.
4. Enter Slack into the search field to filter your search results. Then toggle your results to This Mac instead of a specific folder.
5. Move any search results to the trash.
6. From Finder, press ⌘ShiftG on your keyboard and enter ~/Library/Containers/com.tinyspeck.slackmacgap/Data/Library/Application Support/Slack in the search field.
7. Move all files and folders to the trash, then click Empty.
8. Visit https://slack.com/downloads/mac to re-download the desktop app.

Direct Download version

1. Quit Slack. Make sure there are no Slack.exe or Update.exe processes running in Task Manager.
2. Open the Start Menu and click Settings, then click the Apps & features tab.
3. Find Slack and click the option to Uninstall.
4. Open the Run dialog by pressing Windows KeyR.
5. Type %AppData% and press Enter. Delete the Slack folder that launches.
6. Return to the Run dialog and enter %LocalAppData% to also delete that Slack folder.
7. Visit https://slack.com/downloads/windows to re-download the app.

Microsoft Store version

1. Quit Slack. Make sure there are no Slack.exe or Update.exe processes running in Task Manager.
2. Open the Start Menu and click Settings, then click the Apps & features tab.
3. Find Slack and click the option to Uninstall.
4. Open the Run dialog by pressing Windows KeyR.
5. Enter the following path: C:\Users\USERNAME\AppData\Local\Packages\91750D7E.Slack_8she8kybcnzg4\LocalCache\Roaming
6. Delete the Slack folder that launches.
7. Visit https://www.microsoft.com/store/p/slack/9wzdncrdk3wp to re-download the app.

Ubuntu DDL

1. sudo apt remove slack-desktop
2. rm -rf ~/.config/Slack
3. rm /etc/apt/sources.list.d/slack.list /etc/default/slack

RHEL DDL

1. sudo yum remove slack
2. rm -rf ~/.config/Slack
3. rm /etc/yum.repos.d/slack.repo /etc/default/slack

Snap (all distros supported by Snapcraft)

1. sudo snap remove slack