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If you're using Skype for Business on a PC, see the Skype for Business on Windows Quick Start. Download and install. If don't already have Skype for Business installed, see: Install Skype for Business on Mac. Install Skype for Business on a mobile device. Sign in to Skype for Business. Enter your work or school account. Enabling logging in Skype for Business. In the Skype for Business window click on Options icon to access the menu, or click on the drop-down arrow next to it and navigate to Tools Options, then in the Skype for Business Options window navigate to General tab and under Logging in Skype for Business select Full: Back to top. Enabling logging in Communicator 2011 for Mac or Lync 2011 for Mac. Download Skype for Business across all your devices Connect with your team anywhere using clients across Windows, Mac, iOS, and Android™, or bring remote participants into meeting spaces of all sizes with Skype for Business. Download Skype for Business Get the Skype for Business mobile app. To cleanly uninstall Skype of Business on Mac, follow these steps: Log on to your computer by using administrative credentials. Exit Skype For Business on Mac if it's running. Drag the Skype For Business on Mac application to the Trash. Remove existing Skype preferences if those hidden files exist. To do so, run the following commands in a Terminal: sudo rm -rf /Applications/Skype for Business.app. File transfer is coming to Skype for Business on Mac! While the general availability is still a few weeks out, you can access it now via the Office Insider program for Mac. Note: Initially this will be available only for users homed in Skype for Business Online. What is Office Insider.

This article describes the client preferences and defaults available for the Skype for Business on Mac client, and how to edit them from outside the App.

Mac Skype For Business Meeting

Skype for Business on Mac client preference settings

Certain features and behaviors that are available to Skype for Business on Mac clients are determined by preference settings on the client. The Skype for Business on Mac preferences are found in a file located on Macs that have installed the Skype for Business client located at the following path:

~/Library/Containers/com.microsoft.SkypeForBusiness/Data/Library/Preferences/com.microsoft.SkypeForBusiness.plist

To set these preferences, get to a terminal prompt on the client's Mac and as needed enter defaults write com.microsoft.SkypeForBusiness key commands using the preference keys described in the following table.

Client preference keys

Key	Type	Value	Description
autoDetectAutoDicoveryURLs	Bool	0 = manual server configuration 1 = automatic server detection (default)	Specify how Skype for Business identifies the transport and server to use during sign-in. If you enable this policy setting, you must specify internalAutoDiscoveryURL and externalAutoDiscoveryURL.
internalAutoDiscoveryURL	String	Full autodiscover URL	Internal autodiscover URL
externalAutoDiscoveryURL	String	Full autodiscover URL	External autodiscover URL
httpProxyDomain	String	HTTP Proxy Domain
httpProxyUserName	String	HTTP Proxy Username
httpProxyPassword	String	HTTP Proxy Password
trustedDomainList	Array	List of trusted domains for HTTP redirects.
autoAcceptTimeout	Number	300 (default)	Auto-Accept timeout for users without Server-side Conversation History.
warnWhenUnknownLocationForE911	Bool	0 = Disabled 1 = Enabled	Warns the user when dialing an emergency number from an unknown location.
sipAddress	String	The SIP address (Email) used to sign-in to Skype for Business.
userName	String	The UPN (UserName) used to sign-in to Skype for Business.
userNameInAdvancedOnly	Bool	0 = display the User Name field on the main sign-in screen and in the Advanced Properties dialog box 1 = display the User Name field only in the Advanced Properties dialog box (default)	Specify where the User Name field is displayed during sign-in.

Mac Skype For Business Tutorial

Usage examples

To add a single domain (Contoso.com) to the trusted domain list you would use the trustedDomainList key as shown:

defaults write com.microsoft.SkypeForBusiness trustedDomainList -array-add 'Contoso.com'

To add several domains to the trusted domain list you would use the trustedDomainList key as shown:

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defaults write com.microsoft.SkypeForBusiness trustedDomainList -array-add 'sfb.com' 'abc.com' 'test.org'

Mac Skype For Business Logs

Sample unedited settings

Mac Skype For Business Auto Start

For reference, here is a sample settings file using default settings only: