Firstly, we will discuss a few manual methods to resolve this Outlook error and share the stepwise procedure of each method to successfully fix synchronization issues. Now, let us start with the manual processes to fix Outlook syncing errors. The other solution to fix Outlook sync issues is recreating Microsoft Outlook profile. Sometimes an error appears in the Mail and Calendar apps when the apps try to sync new email or calendar events.

The client has a computer off the domain at home that his work email is tied to and he has never had any Microsoft Outlook Email Repair Tool Online of these issues in Cache mode with that device. After performing these steps, Outlook’s all folders will be synced to the server. If this method doesn’t work for you, navigate to other solutions. Select the button below to launch a diagnostic in the Microsoft 365 admin center.

• Knowing the reasons behind the Outlook sync issues will help us to fix this problem and prevent issues in communication and workflow.
• Incorrect Outlook settings can also be one of the reasons behind Outlook synchronization errors.
• One of our users hit their Office Gb mailbox limit and is unable to send or receive email.
• I’ve tried to set cache mode from 1 year all the way down to a few days.
• Once the client started using Outlook again after some time has passed the issue had come back.
• Outlook’s ability to connect to the mail server may be blocked by firewalls or antivirus software.
• We're sorry you're having problems with the Mail and Calendar apps for Windows 10.

How to Fix Sync Issues in Outlook or OWA? – A Complete Guide

Check the software documentation to learn how to temporarily turn it off. Firewalls and antivirus software might prevent you from syncing your email and calendar events. There are various methods to resolve the Outlook sync issues, including manual and third-party solutions.

Professional automation to resolve Microsoft Outlook syncing issues

If there's a feature you think is missing from the Mail and Calendar apps, or if a feature in isn't working properly, you can provide feedback directly to the Mail and Calendar team. Two-factor authentication helps protect your account by making it more difficult for someone else to sign in. It verifies your identity using your password and a contact method (also known as security info).

Method 5: Fixing Sync Issues in Outlook Web Access (OWA)

If your password is incorrect, you'll see a message asking you to update your password. If you're using an Outlook.com, Microsoft 365, or Exchange account, you won't have advanced mailbox settings unless the account was set up using advanced setup. I regret that you are experiencing issues with your Microsoft Outlook slow synchronizing inbox message, and need help speeding up.

Delays in provisioning of user/mailbox or synchronizing changes in Exchange Online

Now, we will verify the server settings to fix the Outlook synchronization error. If you're using an Exchange account that requires advanced settings, you'll need to remove the account and add it again using advanced settings. To add the account using advanced settings, see Add an account using advanced setup.





If you paid for Office 365 and Exchange online then you should have support with them. Outlook sync help from FixTechGuide Additionally, you might want to make a new profile and make it the default to see if it fixes the problem. If you would like to ask me another question in the future or follow up on your current question, you can add me as a favorite Expert. You'll have the option to do that on your "My Questions" page by clicking the heart icon labeled My Favorite.





If I check the sync log I see a lot of sync errors for Inbox, sent items and a few other folders. If the size of your .ost file is close to the limit, you could try increasing the limit on your client, restart Outlook and see if there is any difference. There can be several reasons for the Outlook synchronization error.

The Support and Recovery Assistant, a tool provided by Microsoft, can identify and resolve common Outlook problems. It is capable Outlook Not Sending or Receiving Email of automatically identifying problems with account setups, sync, and other typical mistakes. To solve your Outlook issues, download the application from the Microsoft website and follow the directions. We’ve had sync issues with employees from time to time however, re doing the mail profile or wiping the Windows profile usually fixes it. In some cases setting up a new computer replacement was the only option to fix these odd Outlook Sync issues.

Reconfigure Server Settings

However, in some situations these processes can take up to 24 hours.