How to Reset Microsoft Sync Services in Outlook for Mac Click on Go menu and hold the OPTION Key to Open Library Go to Preferences and delete com.microsoft.Outlook.SyncServicesPreferences.plist, com.microsoft.Outlook.SyncServices.plist, OfficeSync Prefs. Email and Calendars all are fine. The issue is birthdays and anniversaries do not sync and in fact area always 1 day off. Regardless of if I start the contact birthdate in Outlook or on an IOS device once Outlook syncs the dates change by 1 day on the devices. This was not occurring on my Outlook on a PC and only started with Outlook on the Mac. Outlook Emails Are Not Updating Automatically: Signs: Sometimes, Outlook behaves erratically and when you start the app, it does not automatically execute send/receive functionality to fetch emails from the mail server. Causes: Microsoft Office Outlook 2010 users can consider tones of factors for Outlook not updating inbox problem.

The syncing issue between Outlook and Exchange Server is a very common problem. But, the best part is it can be fixed easily. The post explains several methods to resolve Mac Outlook not syncing with Exchange Server. So, keep reading till the end of the write-up.

Workaround Solution to Fix Mac Outlook Not Syncing With Exchange Server

The database for Outlook profile has been corrupted and there are chances that you have to build a new Outlook profile in Mac Outlook 2011.

How to Troubleshoot Outlook For Mac not Sync With Exchange Server?

Method 1: Moreover, users have to follow the below preventive measures to fix the issue regarding Mac Outlook 2011 not syncing with the Exchange Server:

1. End of all the Microsoft Office related processes. It is required to close all of them, for example, MS Word, etc.
2. Create a replica or backup of Office 2011 identities folder, which is present in “~/Documents/Microsoft User Data/Office 2011 identities/”
3. Hit on the Alt key while you click on Outlook to open it.
4. It will directly go into the Microsoft database utility mode, where you can recreate an identity (database)
5. Select the identity that is required. Generally, it is the main identity. Then, hit on Rebuild
   This step will take a while

In case, only one folder is not syncing, but other folders are synced properly. i.e. only previous day’s mails are present. However, the rules sending the emails to different folders are still getting new emails, then you can attempt “Empty the Cache”. This implies that you can re-sync the folder with the Exchange Server by following these steps:

1. On the left-hand side panel of Outlook, right-click (or Control+Click) on the folder from the folder list
2. Then, select Folder Properties
3. Hit on Empty the Cache button located at the bottom of the screen.
4. This procedure will take some time depending on the amount of database.

Method 2: Troubleshoot Outlook 2011 Mac not Syncing With Exchange Server

1. Exit from all the running applications
2. In your launcher, hold down option and then, click on Outlook
3. This will open the Outlook reindex tool. Choose your database and hit on hit on Reindex
4. You have to wait until it is done
5. Launch the terminal and write the following commands:
   • sudo mdutil -E /
   • …. wait until this procedure is complete
   • sudo mdutil -i on /
   • …. wait until this procedure is complete

Note: This will take a couple of minutes for the reindex to complete on Spotlight. The status can be viewed by clicking on Spotlight icon i.e. magnifying glass present at the top right-hand side corner.

Top Methods to Troubleshoot Outlook 2016 for Mac not Syncing With Exchange

In the higher editions of Mac Outlook not syncing with Exchange Server 2010 error occurs due to various reasons. The possible factors, along with the solutions are discussed here.

Cause 1: Outlook is in the offline state

Solution: Make sure that Outlook is working in online mode. This can be done by:
On the menu of Outlook, you have to ensure that the option of Work Offline is not selected

Cause 2: Outlook is not connected to the server that is executing MS Exchange Server

Solution: Make sure that the connections are properly established

1. From the Tools ribbon of Outlook, select Accounts
2. Search for the Exchange account present in the left panel. In case, there is some issue with the Exchange connection, the indicator symbol will be orange
3. Then, try to establish a connection with another Exchange program, for example, OWA (Outlook Web Access). The status of the Exchange server can also be examined by contacting with the admin of Exchange Server.

Cause 3: Due to Corruption of Outlook Cache Mac Outlook Unable to Sync With Exchange

The data items from the Exchange Server are saved in the Outlook cache. If this cache is corrupted or damaged, synchronization issues can occur with the Exchange Server

Solution: Empty the cache in Outlook. Due to this, Outlook can download all the items from Exchange Server again.
Below-written steps are to be followed:

1. Make sure that the computer is connected properly with the Exchange Server
2. From the navigation pane, select the Exchange folder for which cache has to be emptied. Then, Ctrl+click or right-click on that folder, and hit on Properties to fix Mac Outlook 2016 cannot connect to Exchange Server
3. Go to the General tab followed by clicking on Empty Cache.
4. Once the folder is empty, Outlook will automatically download the items from the server.

Suggestion: If the above-stated manual methods cannot fix Mac Outlook not syncing with Exchange server problem, then it is suggested that move from Mac Outlook to default email client application of Mac OS X i.e. Apple Mail with an automated tool like OLM Converter for Mac.

Final Words

Generally, Mac Outlook users face an issue regarding connectivity of the Exchange Server. It is observed in older as well as newer versions. The post explains multiple workaround solutions to fix Mac Outlook 2016 not syncing with the Exchange Server.

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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 For Mac Not Updating Windows 10

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.

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 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.

Outlook For Mac Calendar Not Updating

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

Outlook On Mac

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.

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 (US English) update

2687329 Description of the Outlook 2007 hotfix package (Outlook-en-us.msp): August 28, 2012

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.

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.

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.