However once I joined this computer back to the domain and let it sit for a few days it was also working fine. Once the client started using Outlook again after some time has passed the issue had come back. I ran the PSTscan tool to check for anomalies on the OST file (which it found and repaired but the issue still occurs).

Users can also try its free demo version in their system and process the first 50 items from each folder freely. Always make sure your profile and settings are set up correctly, your software is up online Outlook email repair utility to date, and your connection is steady. The causes of sync issues and local failures in Outlook are explained in this guide, along with practical troubleshooting and resolution techniques. You can extract and recover all of your mail items to a PST file using sophisticated OST File to PST Converter software if your OST file becomes unavailable or orphaned. Here, we will discuss the five manual methods to fix sync issues in Outlook or OWA. Before finding solutions, we suggest that users check their internet connection.

• 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.
• Before we know the solutions, we will understand a few common causes of the Outlook sync problem.
• 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

Moreover, it maintains the folder hierarchy and metaproperties of the data when processing Outlook data files. This tool also helps users fix Outlook syncing issues by repairing OST or PST files and syncing the data smoothly. Third-party firewalls or antivirus software might prevent you from syncing your email and calendar events.

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.





After the files get repaired, restart the Outlook program to ensure that the Outlook syncing issues are resolved or not. I still have it turned on on Repair Outlook Profile Online my laptop and it has not shown any issues yet. However I do not use Outlook on it as much as I do on my desktop.





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 fix Outlook and Office 365 errors 2025 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.