Microsoft Outlook 15.6.1 For Mac

Microsoft’s big changes to Outlook don’t end with an updated iOS app — Outlook’s Mac version will also get a major facelift in October, just in time for Apple’s macOS Big Sur release.

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  1. Expand your Outlook. We've developed a suite of premium Outlook features for people with advanced email and calendar needs. A Microsoft 365 subscription offers an ad-free interface, custom domains, enhanced security options, the full desktop version of Office, and 1 TB of cloud storage.
  2. Outlook 2016 for Mac; In this article. Original KB number: 2648915. This article contains information about the compatibility of Microsoft Outlook for Mac and Apple iCloud. Outlook for Mac does not support Apple iCloud calendar (CalDAV) and contact (CardDAV) synchronization. Outlook for Mac does support iCloud Mail.

Applies to:Outlook for Mac, Outlook 2019 for Mac

As an IT admin, you may want to provide Outlook for Mac users in your organization with a standard set of preferences in either of the following ways:

  • Set a default preference, which users can change.
  • Force a particular preference, which users can’t change.

Microsoft Outlook 15.6.1 For Mac Catalina

The following preferences can be used to simplify account setup for Office 365 mailboxes, help protect company data, and support a streamlined user experience.

These keys are CFPreferences-compatible, which means that it can be set by using enterprise management software for Mac, such as Jamf Pro.

The following list shows the preferences that are covered in this article:

Mailbox settings

Automatically configure Office 365 mailbox on first launch

The email address used for Office activation will be added on first launch.

Domaincom.microsoft.office
KeyOfficeAutoSignIn
Data TypeBoolean
Possible valuesfalse (default)
true
Availability16.17
CommentsThis key also suppresses first run dialogs for other Office apps, including Word, Excel, PowerPoint, and OneNote.

Specify Office 365 mailbox to be added on first launch

Set the domain or full email address of Office 365 mailbox to be added on first launch.

Domaincom.microsoft.Outlook
KeyDefaultEmailAddressOrDomain
Data TypeString
Possible valuesvarious (example: 'contoso.com')
Availability16.18
CommentsThe full email address or domain specified will be added in Outlook instead of the Office activation email address.

Allow only corporate mailboxes to be added

Specify one or more domains users are allowed to add in Outlook.

Domaincom.microsoft.Outlook
KeyAllowedEmailDomains
Data TypeArray of Strings
Possible valuesVarious (example: 'contoso.com$')
Availability16.18
CommentsFormat strings as regular expressions. Doesn't remove or disconnect accounts already added in Outlook.

Hide text about adding non-corporate mailboxes

Hide the “Did you know? Outlook supports…” text in the Set Up Your Email success dialog box.

Domaincom.microsoft.Outlook
KeyHideCanAddOtherAccountTypesTipText
Data TypeBoolean
Possible valuesfalse (default)
true
Availability16.18
CommentsOnly hides text. Doesn't impact ability to add non-corporate mailboxes.

Microsoft Outlook Mac Os X

Import/export settings

Disable import

Prevent users from being able to import archive files (.olm and .pst) and Outlook 2011 for Mac data.

Domaincom.microsoft.Outlook
KeyDisableImport
Data TypeBoolean
Possible valuesfalse (default)
true
Availability16.18
CommentsKey must be set to true and forced.

Disable export

Prevent users from being able to export archive files (.olm).

Domaincom.microsoft.Outlook
KeyDisableExport
Data TypeBoolean
Possible valuesfalse (default)
true
Availability16.18
CommentsKey must be set to true and forced.

Online meetings settings

Disable Skype for Business online meetings

Prevent users from adding Skype for Business online meeting details to events.

Domaincom.microsoft.Outlook
KeyDisableSkypeMeeting
Data TypeBoolean
Possible valuesfalse (default)
true
Availability16.19
CommentsKey must be set to true and forced.

Disable Teams online meetings

Prevent users from adding Teams online meeting details to events.

Domaincom.microsoft.Outlook
KeyDisableTeamsMeeting
Data TypeBoolean
Possible valuesfalse (default)
true
Availability16.20
CommentsKey must be set to true and forced.

Weather location settings

Specify default weather location

Set default location for weather in calendar view.

Domaincom.microsoft.Outlook
KeyDefaultWeatherLocation
Data TypeString
Possible valuesVarious (example: “Paris, France”)
Availability16.18
CommentsUse the format returned by the weather location search within Outlook.

Disable automatic updating of weather location

Prevent users from choosing Update Location Automatically for weather location.

Domaincom.microsoft.Outlook
KeyWeather_update_automatically
Data TypeBoolean
Possible valuesfalse (default)
true
Availability16.19

Other settings

Hide local folders

Prevent users from viewing local On My Computer folders in the sidebar.

Domaincom.microsoft.Outlook
KeyHideFoldersOnMyComputerRootInFolderList
Data TypeBoolean
Possible valuesfalse (default)
true
Availability16.17
CommentsFound under Outlook > Preferences > General > Sidebar.

Specify when pictures are downloaded for email

Set when pictures are automatically downloaded from the internet for email.

Domaincom.microsoft.Outlook
KeyAutomaticallyDownloadExternalContent
Data TypeInteger
Possible values0 = Never (default)
1 = In messages from my contacts
2 = In all messages
Availability16.17
CommentsFound under Outlook > Preferences > Email > Reading > Security.

Disable signatures

Prevent users from being able to create, edit, and add client-side signatures.

Domaincom.microsoft.Outlook
KeyDisableSignatures
Data TypeBoolean
Possible valuesfalse (default)
true
Availability16.18
CommentsKey must be set to true and forced.

Specify calendar first day of week

Set the first day of week in calendar view.

Domaincom.microsoft.Outlook
KeyCalendarFirstDayOfWeek
Data TypeInteger
Possible values1 = Sunday (default)
2 = Monday
3 = Tuesday
4 = Wednesday
5 = Thursday
6 = Friday
7 = Saturday
Availability16.19

Enable new Outlook

Set the availability and default position of the New Outlook switch.

Domaincom.microsoft.Outlook
KeyEnableNewOutlook
Data TypeInteger
Possible values0 = Switch hidden (default)
1 = Switch displayed, default off
2 = Switch displayed, default on
3 = New Outlook enabled with switch hidden
Availability16.38

Disable 'Encrypt-Only'

Prevent users from applying the Encrypt-Only option to emails when using Microsoft 365 Message Encryption.

Domaincom.microsoft.Outlook
KeyDisableEncryptOnly
Data TypeBoolean
Possible valuesfalse (default)
true
Availability16.40
CommentsOnly applies to the new Outlook.

Disable 'Do Not Forward'

Microsoft Outlook 15.6.1 For Mac

Prevent users from applying the Do Not Forward option to emails when using Microsoft 365 Message Encryption.

Domaincom.microsoft.Outlook
KeyDisableDoNotForward
Data TypeBoolean
Possible valuesfalse (default)
true
Availability16.40
CommentsOnly applies to the new Outlook.

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