Skip to content
OpenNavo
Homebrew has disabled this package: discontinued

Skype for Business

Microsofts instant messaging enterprise software

CaskCommunicationAuto-updatesApple silicon · IntelDisabled
Homepage
From homebrew/cask
30-day installs
0
1-year installs
42
Last 365 days
Latest version
16.31.0.11
Download size
—
arm64 / x86_64 · pkg
Release cadence
Irregular
0 releases in 30 days

Skype for Business is Communication software for Mac.

Quick facts

Chips
Apple silicon · Intel
Install
brew install --cask skype-for-business
Homebrew
Disabled by Homebrew
Also known as
skype-for-business

These facts were checked on or after . See each source

About

Microsofts instant messaging enterprise software

System requirements

macOSVersionChipsDownloadSource
Build for macOS 27, 26, 15, 14, 13, 12, 1116.31.0.11Inteldownload.microsoft.com/download/D/0/5/D055DA17-C7B8-4257-89A1-78E7BBE3833F/SkypeForBusinessInstaller-16.31.0.11.pkgSHA-256 85770014696bc422dec96e6986186adf41c12d49f456366294ca1874f3a80834HomebrewChecked
Build for macOS 27, 26, 15, 14, 13, 12, 1116.31.0.11Apple silicondownload.microsoft.com/download/D/0/5/D055DA17-C7B8-4257-89A1-78E7BBE3833F/SkypeForBusinessInstaller-16.31.0.11.pkgSHA-256 85770014696bc422dec96e6986186adf41c12d49f456366294ca1874f3a80834HomebrewChecked

How to install Skype for Business on Mac

  1. In Terminal, run: brew install --cask skype-for-business
  2. Homebrew runs the SkypeForBusinessInstaller-16.31.0.11.pkg installer, which asks for an administrator password.

Install without Homebrew

Download the same file Homebrew uses: download.microsoft.com/download/D/0/5/D055DA17-C7B8-4257-89A1-78E7BBE3833F/SkypeForBusinessInstaller-16.31.0.11.pkg

SHA-256 only checks that the download is complete; it is not a security certification. See the SHA-256 and download address

Uninstall Skype for Business and optional data cleanup

Uninstall command
brew uninstall --cask skype-for-business

A regular uninstall removes the app and keeps its settings and caches.

Uninstalling also removes

Files and folders
/Applications/Skype for Business.app

Deep clean (optional)

Uninstall command
brew uninstall --zap --cask skype-for-business

--zap also deletes the settings, caches and other files listed in the Homebrew definition. They can include data shared with other apps and cannot be restored, and it does not guarantee that nothing is left. Back up any data you need first. To keep settings and caches, leave out --zap.

Files Skype for Business can leave on your Mac (6)
Files and folders
/Library/Internet Plug-Ins/MeetingJoinPlugin.plugin
~/Library/Application Support/com.microsoft.SkypeForBusinessTAP
~/Library/Application Support/Skype for Business
~/Library/Preferences/com.microsoft.SkypeForBusinessTAP.debuglogging.plist
~/Library/Preferences/com.microsoft.SkypeForBusinessTAP.plist
/Library/Application Support/Microsoft

These entries come from the Homebrew definition, checked . They say what it declares, not what is on your Mac.

Skype for Business security facts

Only facts that can be checked, each with its source and date. This is not a safety certification. To check the files you downloaded, scan them on your Mac with OpenNavo.

Distribution
Homebrew
Scan with OpenNavoOpens a scan preview in the OpenNavo app; you decide whether to start it. ClamAV on Mac

Install Details

Tap
homebrew/cask
Installer packages
SkypeForBusinessInstaller-16.31.0.11.pkg
Download URL
https://download.microsoft.com/download/D/0/5/D055DA17-C7B8-4257-89A1-78E7BBE3833F/SkypeForBusinessInstaller-16.31.0.11.pkg
SHA-256
85770014696bc422dec96e6986186adf41c12d49f456366294ca1874f3a80834
Homebrew definition
github.com/homebrew/homebrew-cask/blob/HEAD/Casks/s/skype-for-business.rb
formulae.brew.sh
formulae.brew.sh/cask/skype-for-business

Installation and removal contents

  • Uninstall uninstall

    View full declaration
    {
  "uninstall": [
    {
      "delete": "/Applications/Skype for Business.app",
      "login_item": "Skype for Business",
      "pkgutil": [
        "com.microsoft.SkypeForBusiness",
        "com.microsoft.SkypeForBusiness.MeetingJoinPlugin"
      ],
      "quit": "com.microsoft.autoupdate2"
    }
  ]
}

  • Install pkg

    Source file: SkypeForBusinessInstaller-16.31.0.11.pkg

    View full declaration
    {
  "pkg": [
    "SkypeForBusinessInstaller-16.31.0.11.pkg",
    {
      "choices": [
        {
          "attributeSetting": 0,
          "choiceAttribute": "selected",
          "choiceIdentifier": "com.microsoft.autoupdate.fba"
        }
      ]
    }
  ]
}

  • Remove user data zap

    View full declaration
    {
  "zap": [
    {
      "rmdir": "/Library/Application Support/Microsoft",
      "trash": [
        "/Library/Internet Plug-Ins/MeetingJoinPlugin.plugin",
        "~/Library/Application Support/com.microsoft.SkypeForBusinessTAP",
        "~/Library/Application Support/Skype for Business",
        "~/Library/Preferences/com.microsoft.SkypeForBusinessTAP.debuglogging.plist",
        "~/Library/Preferences/com.microsoft.SkypeForBusinessTAP.plist"
      ]
    }
  ]
}

Questions about Skype for Business

Is Skype for Business safe?

Homebrew has disabled Skype for Business (its developer discontinued it), so it can no longer be installed with Homebrew. It was disabled on May 9, 2026.

How do I completely uninstall Skype for Business on a Mac?

Run brew uninstall --cask skype-for-business. It quits the app, removes 1 login item, and forgets 2 installer receipts. To delete its settings and caches as well, run brew uninstall --zap --cask skype-for-business. --zap also deletes the settings, caches and other files listed in the Homebrew definition. They can include data shared with other apps and cannot be restored, and it does not guarantee that nothing is left. Back up any data you need first. To keep settings and caches, leave out --zap. That also deletes 6 files and folders, including ~/Library/Application Support/com.microsoft.SkypeForBusinessTAP.

Does Skype for Business run on Apple silicon (M1 and later) Macs?

Homebrew installs it on both Apple silicon and Intel Macs, from the same download.

Where does Skype for Business store its settings and data?

Its settings are in ~/Library/Preferences/com.microsoft.SkypeForBusinessTAP.debuglogging.plist. Its data is in ~/Library/Application Support/com.microsoft.SkypeForBusinessTAP and ~/Library/Application Support/Skype for Business. These locations come from Homebrew’s clean-up list.

What is the latest version of Skype for Business?

The latest version is 16.31.0.11, added to Homebrew on Sep 10, 2024. Skype for Business updates itself; to update it with Homebrew, run brew upgrade --cask --greedy skype-for-business.

What else does installing Skype for Business add?

It installs through a .pkg installer, which asks for an administrator password.

Sources

Every fact on this page names its source and check date. Facts past their validity read “as of” their date and are no longer stated as current.