Microsoft Outlook is a great and underrated app. Many don’t realize that it can actually sync up with Gmail or another third-party email service and give you some pretty advanced options. Microsoft Outlook also has a solid junk mail filter that can organize spam and junk mail into appropriate sections. The latest update for Outlook 2016, build 16.0.6568.2025, is causing problems for people who use POP3 accounts and have Outlook set to leave mail on the server for a period of time. Instead of deleting the aged mail from the server, it deletes all of the mail. Most of the problems Mac Office users have regard various types of Outlook and Word crashes on Mac especially Outlook 2016 crashing on startup or hanging. Microsoft has already issued fixes for some of these via so we recommend you run that first by opening any Microsoft Office program, going to the Help Menu at the top of the screen. Turning off new message alerts in Microsoft Outlook is simple! With a few quick clicks, you’ll be ready to do your work in peace. Start by switching to the “File” tab on the Ribbon. On the File pane that opens, click the “Options” command. In the Outlook Options window that opens, click the “Mail” setting in the left pane.
Outlook 2016 for Mac, Outlook for Mac for Office 365, Exchange Server 2016 Enterprise Edition, Exchange Server 2013 Enterprise, Exchange Server 2010 Enterprise; In this article. Original KB number: 3146087. You use Microsoft Outlook 2016 for Mac or Outlook for Mac 2011 to connect to a mailbox on a Microsoft Exchange server.
About the Outlook CalDav Synchronizer
Outlook CalDav Synchronizer is a free Outlook Plugin, which synchronizes events, tasks and contacts between Outlook and Google, SOGo, Nextcloud or any other CalDAV or CardDAV server. Supported Outlook versions are Office 365, 2019, 2016, 2013, 2010 and 2007.
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Features
Sync
The Outlook CalDav Synchronizer offers a two-way synchronization of calendars, tasks and contacts between Outlook and several CardDAV providers.
Open Source
The Outlook CalDav Synchronizer is Free and Open-Source Software (FOSS). You can find and contribute to the source code on github.
Compatibility
The plugin is compatible with many popular CalDAV providers, including Google Calendar, SOGo and Nextcloud.
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Project of the Month
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Video tutorial
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Synchronization is a built-in process in Microsoft Outlook that happens regularly whenever the PST files or OST file gets updated. That is as and when the Outlook sends and receives emails or any other folder is updated, simultaneously it even updates the Exchange Server about these changes. For example, when you edit, delete, send or receive an email in Microsoft Outlook, the changes will also be updated on the Microsoft Exchange Server.
At times, this process might get interrupted and your Outlook may fail to sync emails successfully. Depending on your email account settings, the amount of Outlook data, and several other reasons, the synchronization process may be stopped due to a large OST file. In such an instance, Outlook won't let you receive and send emails from your Outlook profile. You need to fix the issue at the earliest to avoid further damage. So, follow the steps given in the below section and know how you can fix the Outlook email sync issue. However, before trying to fix, convert the OST file to PST using OST to PST converter tool and backup the Outlook data.
Various Steps To Fix Email Sync Issues On Your Microsoft Outlook
How To Check If Your OST File Is Synchronized Or Not?
Before trying to fix the Outlook sync error with the given methods, check if the sync issue is between your Microsoft Exchange Server (MES) mailbox and the OST (offline folder) file. To check whether your OST file is being synchronized or not follow the below steps:
If you are not aware, all the Imap accounts in Outlook will sync with the Online server
Step 1: Open Outlook and right-click on any of the folder present in your Inbox, Sent Items, Drafts, etc.
Step 2: Select Properties and click on Synchronization tab and look for Statistics for this folder
Step 3: Now, check the stats of the Last Synchronized data.
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If the statistics are not recent, then follow the troubleshooting methods Outlook OST file is inaccessible to fix the sync error.
Change Profile Settings To Sync Outlook
If the number of items in the Server folder contains section (is same as) with that of in the Offline folder, your Outlook folders are properly synched. If the number of items differs in both the sections then, you will have to verify the profile settings. For these just follow these steps:
- Open Outlook -> File tab and select Account Settings
- In Account Settings, just click Data Files
- Now check whether the Mailbox – account name is set to default or not. If it’s not, then make it as default. After completion, just click the Email tab -> Mailbox – account name, and click Change
- Just make sure that the box next to Use Cached Exchange Mode is selected and then click OK
- To save all the changes just click on Close and exit the Account Settings window
- Close and reopen Outlook
Note: If you are facing any errors while working offline in Outlook, read this informative write-up.
Re-synchronize Outlook folders To Email Sync Issue
Re-synchronizing your Outlook folders can quickly fix this error. Follow the steps given to know how you can re-synchronize Outlook.
Step 1: Click on Tools tab and select Options.
Step 2: In the Options dialog box, click on the Mail Setup tab.
Step 3: Check the Send immediately when connected box in the Send / Receive section.
Step 4: Click Send/ Receive tab and select Perform an automatic Send / Receive when existing.
Step 5: Click the Close button to exit the window and then OK.
This method will quickly fix the Outlook email sync issue.
Empty The 'Sync Issues Local failures' Folder
If you cannot at all synchronize any of the Outlook folders then, try to empty the Sync Issues Local Failures folder in your Outlook. You might not be able to see this folder unless you set it as visible. To make this folder visible, follow the steps given below.
Step 1: Click on the Folder List icon that is situated at the bottom left-hand corner of your Outlook.
Step 2: Under the All Outlook Items tab, look for the Sync Issues folder.
Step 3: Hit the '+' button and expand it to view the three sub-folders namely Conflicts, Local Failures and Server Failures.
Step 4: Empty the Sync Issues folder by selecting all the messages and removing them and exit Outlook when done.
Fix your OST file To Repair Outlook Email Sync Issue
If this fails to solve the issue then your OST file may be corrupt. To fix this, you will have to create a new OST file and try to re-synchronize all the folders. For this, you have to first rename the old OST file, create a new one and then synchronize the new .pst file with the Microsoft Exchange Server mailbox. By doing this, your Outlook sync issues will be fixed. This will fix Outlook 2013 Sync issues, sync issues in Outlook 2016, 2010, and previous versions.
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However, if you create a new OST file, the sync issue might be fixed, but you will lose your entire OST data. Instead, try to repair your corrupt OST file.
To repair your corrupt OST file, download the Remo Repair Outlook PST tool and launch it. Specify the location of the corrupt OST file and that’s it, the tool will perform the entire repair process and gives you a healthy OST file, with data intact. When done, your Outlook will function properly without any Outlook sync error.
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Also sometimes, your server unexpectedly terminates the connection and you receive an error message like “Outlook Error Number: 0×800ccc0f'. This generally can happen while sending/receiving an email. At such a time remember that fixing error 0x800ccc0f in Outlook is easy.