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Slack provides two distinct Microsoft Installer packages (MSI) for IT Administrators to install Slack for Windows for multiple users or machines. These packages are recommended for customers who need to deploy Slack on hundreds or thousands of machines. If you don’t need to deploy Slack on a large scale, please use the installer found on https://slack.com/download.
The two MSI packages are fundamentally different, using different deployment and update mechanisms. We recommend reading the following carefully before using either of them.
👩💻 MSI for per-user deployment
The MSI for per-user deployment adds the Slack Installer machine-wide, rather than individually installing Slack for Windows. The Slack Installer will only add Slack for Windows if it was never installed for the user currently logged into the machine.
Who it’s for:
This method is best for companies where employees work from their own machine or device and updates Slack automatically.
Who it’s not for:
Companies where many people use the same machine (like terminal servers) or need to control which version of Slack is used should use the MSI for machine-wide installation.
What to consider
Slack for Windows will be installed to %LOCALAPPDATA%. While the Slack Installer is installed machine-wide, Slack for Windows is not.
Every member maintains their own version of Slack.
Automatic updates are downloaded and installed for each member.
No need for maintenance – Slack will keep itself up to date and secure.
Slack won’t open on startup, unlike the regular Windows app.
Uninstalling the MSI installer won’t remove the Slack app from user accounts.
The Slack app icon will appear on the Desktop and Start menu
Note: Looking for 32-bit? You’ll need to use the 32-bit MSI installer for machine-wide installation instead.
👨🔧 MSI for machine-wide installation
The MSI for single installation deployment installs Slack for Windows machine-wide, either to Program Files or a location of your choice. It is multi-client-capable, meaning that it can be used by multiple users on one machine, keeping their profiles separately in %ROAMINGAPPDATA%. Slack will not receive automatic updates using this method.
Who it’s for:
This method is best suited to companies where multiple employees use the same machine, e.g. terminal servers, and/or need to control which version of Slack they use.
Run the installer, which will guide you through the installation process.
The Slack app icon will appear on the Desktop and Start menu.
Keep Slack updated
It is important to keep up to date on new releases, as they provide users with valuable features and fixes. When installed using the machine-wide installer, Slack does not auto-update. In order to stay current with new Slack releases, we have provided an RSS feed to notify you of new Windows Slack desktop app updates: https://slack.com/release-notes/windows/rss.