Slack support lifecycle for operating systems, app versions, and browsers

To allow for innovation and keep customer data safe and secure, Slack updates its system requirements every six months in March and September. Read on to learn about our support lifecycle policy and see a list of operating system (OS), app, and browser versions that have recently reached or will soon reach the end of support. If you're using any of the versions listed, upgrade to continue using Slack.

Tip: To see which OS and browser versions we support, visit System requirements for using Slack.


Support lifecycle policy

Slack supports app versions, browsers, and OS for different periods of time, taking into account development cycles and our customers' needs:

OS, app version, or browser Length of support
Slack desktop and mobile apps 12-18 months from release
Browsers 12-18 months from release
Mac, Windows*, and Linux At least 6 months from the time the manufacturer stops OS support
iOS 2.5-3 years from release
Android 4.5-5 years from release

*The support cycle for Windows follows Microsoft’s Enterprise lifecycle schedule, excluding support for LTSC/LTSB.


Desktop support lifecycle schedule

Operating systems (OS)

Mac

Windows

Linux

OS version End of support
10.13 and below Sept. 1, 2021

Note: Windows OS deprecations include LTSB/LTSC versions.

OS version End of support

Windows 10
Version 1809

March 1, 2022

Windows 10
Version 1803

March 1, 2022
OS version End of support
Fedora all versions March 1, 2022
Redhat 7 March 1, 2022

If you’re using a Windows, Mac, or Linux OS that has reached end of support, you’ll still be able to access Slack as long as you’re using a supported app version, but you won’t receive app updates. Slack won’t be available to download from the App Store, Microsoft Store, or Snap.


Slack app versions

App version End of support
4.13.0 and below March 1, 2022

When a Slack desktop app version is no longer supported, you’ll receive a notification prompting you to upgrade your app version to continue using Slack.


Mobile support lifecycle schedule

Operating systems (OS)

iOS

Android

OS version End of support
13 and below March 1, 2022
OS version End of support
7.1 and below Sept. 1, 2021

If you're using an iOS or Android version that has reached the end of support, you’ll still be able to access Slack as long as you’re using a supported app version, but you won’t receive app updates. Slack won’t be available to download from the App Store, or Google Play Store.


Slack app versions

iOS

Android

App version End of support
20.07.20 and below Sept. 1, 2021
App version End of support
20.07.20 and below Sept. 1, 2021

When a Slack mobile app version is no longer supported, you’ll receive a notification prompting you to upgrade your app version to continue using Slack.


Browser support lifecycle schedule

Browser version End of support
Safari 14.0.3 and below March 1, 2022
Chrome 88 and below March 1, 2022
Firefox 86 and below March 1, 2022
Edge 88 and below March 1, 2022
Internet Explorer 11* March 1, 2022

*As of July 2019, you can't use Slack from Internet Explorer 11, but you can still sign in and manage your workspace settings from this browser until March 2022.

When a web browser is no longer supported you'll be blocked from using Slack in the browser, signing in, creating new workspaces, and managing settings for your workspace or Enterprise Grid organization. You can continue these activities by upgrading to a supported browser.