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Applies to:Outlook for Mac, Outlook LTSC for Mac 2021, Outlook 2019 for Mac
Oct 14, 2008 Apple Mac OS X Operating System Versions: Mac OS X version 10.4.9 (Tiger) or a later version of Mac OS Before you install this update, make sure that the Microsoft Office 2008 for Mac Service Pack 1 (12.1.0) is installed on your computer. Open any Office app, such as Word, and create a new document. Go to File Account (or Office Account if you opened Outlook). Under Product Information, choose Update Options Update Now. Note: You may need to click Enable Updates first if you don't see the Update Now option right away. Apple Mac OS X Operating System Versions: Mac OS X version 10.4.9 (Tiger) or a later version of Mac OS Before you install this update, make sure that the Microsoft Office 2008 for Mac Service Pack 1 (12.1.0) is installed on your computer.
- Head over to the Mac Product Key Finder website and download and install the free version of the app on your Mac. The free version supports the ability to find a product key for the Microsoft Office 2008. Launch the app once it’s installed on your Mac and let it find product keys. Microsoft Office 2008 Product Key.
- May 11, 2010 Microsoft Office for Mac 2008 may be the best pick for business users, with major updates to Word, Excel, PowerPoint, and Entourage. After a series of delays, Microsoft plans to release Office.
As an IT admin, you may want to provide Mac users in your organization with a standard set of preferences for Outlook in either of the following ways:
- Set a default preference, which users can change.
- Force a particular preference, which users can’t change.
The following preferences can be used to simplify account setup for Microsoft 365 (or 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 Microsoft 365 mailbox on first launch
The email address used for Office activation will be added on first launch.
| Category | Details |
|---|---|
| Domain | com.microsoft.office |
| Key | OfficeAutoSignIn |
| Data Type | Boolean |
| Possible values | false (default) true |
| Availability | 16.17 |
| Comments | This key also suppresses first run dialogs for other Office apps, including Word, Excel, PowerPoint, and OneNote. |
Specify Microsoft 365 mailbox to be added on first launch
Set the domain or full email address of Microsoft 365 mailbox to be added on first launch.
| Category | Details |
|---|---|
| Domain | com.microsoft.Outlook |
| Key | DefaultEmailAddressOrDomain |
| Data Type | String |
| Possible values | Various (example: 'contoso.com') |
| Availability | 16.18 |
| Comments | The 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.
| Category | Details |
|---|---|
| Domain | com.microsoft.Outlook |
| Key | AllowedEmailDomains |
| Data Type | Array of Strings |
| Possible values | Various (example: 'contoso.com$') |
| Availability | 16.18 |
| Comments | Format 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.
| Category | Details |
|---|---|
| Domain | com.microsoft.Outlook |
| Key | HideCanAddOtherAccountTypesTipText |
| Data Type | Boolean |
| Possible values | false (default) true |
| Availability | 16.18 |
| Comments | Only hides text. Doesn't impact ability to add non-corporate mailboxes. |
Import/export settings
Disable import
Prevent users from being able to import archive files (.olm and .pst) and Outlook for Mac 2011 data.
| Category | Details |
|---|---|
| Domain | com.microsoft.Outlook |
| Key | DisableImport |
| Data Type | Boolean |
| Possible values | false (default) true |
| Availability | 16.18 |
| Comments | Key must be set to true and forced. |
Disable export
Prevent users from being able to export archive files (.olm).
| Category | Details |
|---|---|
| Domain | com.microsoft.Outlook |
| Key | DisableExport |
| Data Type | Boolean |
| Possible values | false (default) true |
| Availability | 16.18 |
| Comments | Key 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.
| Category | Details |
|---|---|
| Domain | com.microsoft.Outlook |
| Key | DisableSkypeMeeting |
| Data Type | Boolean |
| Possible values | false (default) true |
| Availability | 16.19 |
| Comments | Key must be set to true and forced. |
Disable Teams online meetings
Prevent users from adding Teams online meeting details to events.
| Category | Details |
|---|---|
| Domain | com.microsoft.Outlook |
| Key | DisableTeamsMeeting |
| Data Type | Boolean |
| Possible values | false (default) true |
| Availability | 16.20 |
| Comments | Key must be set to true and forced. |
Security settings
Disable 'Encrypt-Only'
Prevent users from applying the Encrypt-Only option to emails when using Microsoft 365 Message Encryption.
| Category | Details |
|---|---|
| Domain | com.microsoft.Outlook |
| Key | DisableEncryptOnly |
| Data Type | Boolean |
| Possible values | false (default) true |
| Availability | 16.40 |
| Comments | Only applies to the new Outlook. |
Disable 'Do Not Forward'
Prevent users from applying the Do Not Forward option to emails when using Microsoft 365 Message Encryption.
| Category | Details |
|---|---|
| Domain | com.microsoft.Outlook |
| Key | DisableDoNotForward |
| Data Type | Boolean |
| Possible values | false (default) true |
| Availability | 16.40 |
| Comments | Only applies to the new Outlook. |
Allow S/MIME certificates without a matching email address
Allow users to decrypt and encrypt S/MIME messages when the S/MIME certificate does not match the email address.
| Category | Details |
|---|---|
| Domain | com.microsoft.Outlook |
| Key | AllowCertsWithoutMatchingEmailAddress |
| Data Type | Boolean |
| Possible values | false (default) true |
| Availability | 16.45 |
| Comments | Only applies to the new Outlook. |
Microsoft Outlook For Mac
Set the order in which S/MIME certificates are considered
Set the order in which certificates will be used to decrypt and encrypt S/MIME messages.
| Category | Details |
|---|---|
| Domain | com.microsoft.Outlook |
| Key | SMIMECertificatesLookupOrder |
| Data Type | Array of unsigned integer |
| Possible values | 0 (Contacts), 1 (GAL), 2 (Device), 3 (LDAP) Default is [0, 1, 2, 3] |
| Availability | 16.45 |
| Comments | Only applies to the new Outlook. |
Weather location settings
Specify default weather location
Set default location for weather in calendar view.
| Category | Details |
|---|---|
| Domain | com.microsoft.Outlook |
| Key | DefaultWeatherLocation |
| Data Type | String |
| Possible values | Various (example: “Paris, France”) |
| Availability | 16.18 |
| Comments | Use 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.
| Category | Details |
|---|---|
| Domain | com.microsoft.Outlook |
| Key | Weather_update_automatically |
| Data Type | Boolean |
| Possible values | false (default) true |
| Availability | 16.19 |
Other settings
Hide local folders
Prevent users from viewing local On My Computer folders in the sidebar.
| Category | Details |
|---|---|
| Domain | com.microsoft.Outlook |
| Key | HideFoldersOnMyComputerRootInFolderList |
| Data Type | Boolean |
| Possible values | false (default) true |
| Availability | 16.17 |
| Comments | Found under Outlook > Preferences > General > Sidebar. |
Specify when pictures are downloaded for email
Set when pictures are automatically downloaded from the internet for email.
| Category | Details |
|---|---|
| Domain | com.microsoft.Outlook |
| Key | AutomaticallyDownloadExternalContent |
| Data Type | Integer |
| Possible values | 0 = Never (default) 1 = In messages from my contacts 2 = In all messages |
| Availability | 16.17 |
| Comments | Found under Outlook > Preferences > Email > Reading > Security. |
Disable signatures
Prevent users from being able to create, edit, and add client-side signatures.
| Category | Details |
|---|---|
| Domain | com.microsoft.Outlook |
| Key | DisableSignatures |
| Data Type | Boolean |
| Possible values | false (default) true |
| Availability | 16.18 |
| Comments | Key must be set to true and forced. |
Specify calendar first day of week
Set the first day of week in calendar view.
| Category | Details |
|---|---|
| Domain | com.microsoft.Outlook |
| Key | CalendarFirstDayOfWeek |
| Data Type | Integer |
| Possible values | 1 = Sunday (default) 2 = Monday 3 = Tuesday 4 = Wednesday 5 = Thursday 6 = Friday 7 = Saturday |
| Availability | 16.19 |
Enable new Outlook
Set the availability and default position of the New Outlook switch.
| Category | Details |
|---|---|
| Domain | com.microsoft.Outlook |
| Key | EnableNewOutlook |
| Data Type | Integer |
| Possible values | 0 = Switch hidden (default) 1 = Switch displayed, default off 2 = Switch displayed, default on 3 = New Outlook enabled with switch hidden |
| Availability | 16.38 |
Related articles
-->Summary
This article contains a complete list of the most recent hotfix updates, public updates, and service packs for Microsoft Outlook. Some Outlook features depend on Microsoft Word and Microsoft Office components. Therefore, you should also install the latest updates for the Word and Office core components.
Note
The information in this article applies only to U.S. English versions of Outlook. Other language versions of Outlook have some updates that differ from the updates that are listed in this article. To find links to the most recent cumulative and public updates for Microsoft Office, see Office updates.
This article will be updated to reference new updates as they are released.
For more information about the most recent Outlook updates, refer to the following sections, as appropriate:
Click-to-Run installations of Office
The following updates apply only to Office clients that are installed by using a .msi file. They do not apply to click-to-run installations of Office. By default, click-to-run installations are automatically updated.
To determine whether you are using a Click-to-run version of Office, click the File tab in Outlook, and then click Office Account. If you see Office Updates under Product Information, as shown in the following figure, you are using a click-to-run installation of Office.
To see the latest version information for click-to-run installations, click Update Options, and then click View Updates.
For more information about click-to-run updates and to find the latest click-to-run version, go to the following Microsoft Office articles:
- Office 2016: Update history for Office 365 ProPlus (listed by date)
- Office 2013: Update history for Office 2013
- Office 2010: Update history for Office 2010 Click-to-Run products
Outlook 2016
MSI installations of Office 2016:
The following updates apply only to Office 2016 clients that are installed by using a .msi file. They do not apply to Click-to-run installations of Office 2016. By default, click-to-run installations are automatically updated. You cannot install the updates from these articles on click-to-run installations of Office 2016.
Outlook (global) update
3141453 January 3, 2017, update for Outlook 2016 (KB3141453)
Outlook Junk Email Filter update
3115407 August 2, 2016, update for Outlook 2016 Junk Email Filter (KB3115407)
Microsoft Word update
3128057 MS17-002: Description of the security update for Word 2016: January 10, 2017
Microsoft Office 2016 (Mso.dll) update
3141473 January 3, 2017, update for Office 2016 (KB3141473)
After you install all these updates, you should see the following versions of important files that are used by Outlook.
| File | Version |
|---|---|
| Outlook.exe | 16.0.4483.1000 |
| Olmapi32.dll | 16.0.4483.1000 |
| Outlfltr.dat | 14.0.16307.618 |
| Winword.exe | 16.0.4483.1000 |
| Wwlib.dll | 16.0.4483.1000 |
| Mso.dll | 16.0.4483.1000 |
Outlook 2013
MSI installations of Office 2013:
The following updates apply only to Office 2013 clients that are installed by using a .msi file. They do not apply to Click-to-run installations of Office 2013. By default, click-to-run installations are automatically updated. You cannot install the updates from these articles on click-to-run installations of Office 2013.
Important
Updates for Office 2013 programs that are dated April 14, 2015, or later require Office 2013 Service Pack 1 (SP1) to be installed before you can install the update.
You can download and install Service Pack 1 for Office 2013 from the following Microsoft Knowledge Base article:
2817430 Description of Microsoft Office 2013 Service Pack 1 (SP1)
Outlook (global) update
3141466 January 3, 2017, update for Outlook 2013 (KB3141466)
Outlook (US English) update
2817430 Description of Microsoft Office 2013 Service Pack 1 (SP1)
Outlook Junk Email Filter update
3115404 August 2, 2016, update for Outlook 2013 Junk Email Filter (KB3115404)
Outlook Social Connector global update
3054854 June 9, 2015, update for Outlook 2013 (KB3054854)
Outlook 2008 Mac Download Full
Outlook Social Connector Facebook provider
3054856 June 9, 2015, update for Office 2013 (KB3054856)
Outlook (UMoutlookaddin.dll) update
3101487 November 10, 2015, update for Office 2013 (KB3101487)
Microsoft Word update
3141464 January 3, 2017, update for Word 2013 (KB3141464)
Microsoft Office 2013 (Mso.dll) update
3141474 January 3, 2017, update for Office 2013 (KB3141474)
After you install all these updates, you should see the following versions of important files that are used by Outlook.
| File | Version |
|---|---|
| Outlook.exe | 15.0.4893.1000 |
| Outllibr.dll | 15.0.4891.1000 |
| Olmapi32.dll | 15.0.4893.1000 |
| Outlfltr.dat | 14.0.16307.618 |
| Socialconnector.dll | 15.0.4727.1000 |
| Socialprovider.dll | 15.0.4723.1000 |
| Facebookprovider.dll | 15.0.4723.1000 |
| UmOutlookAddin.dll | 15.0.4771.1000 |
| Winword.exe | 15.0.4893.1000 |
| Wwlib.dll | 15.0.4893.1000 |
| Mso.dll | 15.0.4893.1000 |
Outlook 2010
Important
Updates for Office 2010 programs that are dated November 11, 2014, or later require Office 2010 Service Pack 2 (SP2) to be installed before you can install the update.
You can download and install Service Pack 2 for Office 2010 from the following Microsoft Knowledge Base article:
2687455 Description of Office 2010 Service Pack 2
Outlook (global) update
3118313 MS16-107: Description of the security update for Outlook 2010: September 13, 2016
Outlook (localized language en-us) update
3055041 August 11, 2015, update for Outlook 2010 (KB3055041)
Outlook Junk Email Filter update
3115475 August 2, 2016, update for Outlook 2010 Junk Email Filter (KB3115475)
Outlook Social Connector global update
2726880 June 9, 2015, update for Outlook Social Connector 2010 (KB2553308)
Outlook Social Connector update (US-English update)
Note
The following update is the latest released localized update package for the Outlook Social Connector. Therefore, you have to install only Oscintl-en-us.msp from the following package (for U.S. English versions of Outlook 2010). The Osc-x-none.msp file in the following article (2553406) was updated with a later version and is available in the global update for the Social Connector (KB2553308).
2553406 Description of the Outlook Social Connector update (Osc-x-none.msp, Oscintl-en-us.msp): April 10, 2012
Outlook Social Connector SharePoint Provider update
2553267 Description of the Outlook Social Connector update (Oscmoss-x-none.msp): April 10, 2012
Outlook (UMoutlookaddin.dll) update
2760779 December 8, 2015, update for Office 2010 (KB2760779)
Microsoft Word 2010
3128034 MS16-148: Description of the security update for Word 2010: December 13, 2016
Office 2010 (Mso.dll)
3118380 MS16-148: Description of the security update for Office 2010: December 13, 2016
After you install all these updates, you should see the following versions of important files that are used by Outlook.
| File | Version |
|---|---|
| Outlook.exe | 14.0.7172.5000 |
| Outllibr.dll | 14.0.7147.5000 |
| Olmapi32.dll | 14.0.7172.5000 |
| Outlfltr.dat | 14.0.16307.618 |
| Sharepointprovider.dll | 14.0.6117.5000 |
| Socialconnector.dll | 14.0.7151.5000 |
| Socialprovider.dll | 14.0.6116.5000 |
| Umoutlookaddin.dll | 14.0.7164.5000 |
| Winword.exe | 14.0.7177.5000 |
| Wwlib.dll | 14.0.7177.5000 |
| Mso.dll | 14.0.7177.5000 |
Outlook 2007
The following hotfix packages dated February 2013 (or later versions) require you to have the 2007 Microsoft Office suite Service Pack 3 (SP3) installed before you install the update.
Outlook (global) update
3118303 MS16-107: Description of the security update for Outlook 2007: September 13, 2016
Outlook Junk Email Filter update
3115461 August 2, 2016, update for Outlook 2007 Junk Email Filter (KB3115461)
2007 Microsoft Office system (Mso.dll) update
3128020 MS16-148: Description of the security update for 2007 Microsoft Office Suite: December 13, 2016
After you install all these updates, you should see the following versions of important files that are used by Outlook.
| File | Version |
|---|---|
| Outlook.exe | 12.0.6753.5000 |
| Mapir.dll | 12.0.6663.5000 |
| Outllibr.dll | 12.0.6656.5000 |
| Outlfltr.dat | 12.0.16306.1182 |
| Winword.exe | 12.0.6762.5000 |
| Wwlib.dll | 12.0.6762.5000 |
| Mso.dll | 12.0.6762.5000 |
Outlook 2003
You must install Microsoft Office 2003 Service Pack 3 (SP3) before you install the following update.
Microsoft Word update
2878303 MS14-017: Description of the security update for Word 2003: April 8, 2014
After you install all the update, you should see the following versions of important files that are used by Outlook.
| File | Version |
|---|---|
| Emsmdb32.dll | 11.0.8333.0 |
| Mso.dll | 11.0.8434.0 |
| Outllib.dll | 11.0.8330.0 |
| Outlook.exe | 11.0.8326.0 |
| Winword.exe | 11.0.8411.0 |
After you install all these updates, click the Help menu, and then click About Microsoft Office Outlook. The About Microsoft Office Outlook dialog box should show the following build number.