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To ensure a consistent user experience, Slack deprecates support for app versions, browsers, and operating systems (OS) twice per year. You can still access Slack if your OS is not supported, but your app is up to date. However, you will not receive future updates to the Slack app. Slack will notify users six months before deprecation to allow ample time for planning and upgrading.
On September 1, 2021, the following operating systems will no longer be supported by Slack:
- Windows 10 1903 and older
- macOS 10.13 and older
- iOS 12 and older
- Android 7 and older
For a full list of operating systems and app versions that will be deprecated, see Slack's Deprecation Schedule.
Find Your OS Version
If you need help updating your computer's operating system, please
Submit a Ticket.
Windows
- Press the Windows logo key + R
- Type winver in the window that appears, and select OK
- A window should appear with the version number. (i.e. Version 1903 or 20H2)
Mac
- Click the Apple icon at the top left corner of your screen
- Select About This Mac
- The name of the macOS version and the version number should appear at the top of the new window. (i.e. macOS Big Sur 11.4)
Android
- Open your phone or tablet's Settings
- Go to System > Advanced > System Update
- The Android version should appear there.
iOS
-
Open your phone or tablet's Settings
-
Go to General > About
-
The iOS version will be listed next to Software Version
Update the Slack App
See Slack's instructions for checking and updating your Slack desktop app on Windows and Mac.
Check Google's Play Store or the Apple App Store to update your Slack app on Android and iOS.