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 mailbox not updating on IMAP 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.

• Here is the strange part I tried to remove the computer from the domain and have Outlook run from a local account for a few days.
• The service typically takes less than 30 minutes to provision a user or to sync changes for a user.
• However, his OST file is not anywhere near that size it’s about 5GB.
• If your password isn't the problem, you might have a certificate error.
• I regret that you are experiencing issues with your Microsoft Outlook slow synchronizing inbox message, and need help speeding up.
• Now, we will verify the server settings to fix the Outlook synchronization error.

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)

I’ve tried to set cache mode from 1 year all the way down to a few days. However, with one particular client no matter what changes are made these sync issue still occur. After these instructions, ensure the sync settings are correct and check everything is working well. To make sure there are no issues, click Test Account Settings to test the connection. Test other programs or websites to be sure Outlook is the only problem.

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.

Check your privacy settings

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 diagnose Office activation conflicts 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.

These are the only two I've seen have this issue and I was wondering if you've seen this and figured out a 'fix'? Tempted to create a Test Shared Mailbox, but thinking that wouldn't be an accurate test for inbound mail, etc. or just actually tested by the Users at all. Upgrade to Microsoft Edge to take advantage of modern authentication troubleshooting the latest features, security updates, and technical support.

Reconfigure Server Settings

This blog talks about the causes behind Outlook synchronization errors and a few solutions to fix Outlook sync issues. We have shared five manual methods in this blog to resolve the Outlook syncing errors. Apart from this, we also discuss the Shoviv OST to PST Converter Tool, a professional way to repair, recover, and convert Outlook data files. This solution will be beneficial for users who are facing Outlook syncing issues because of corrupted PST or OST files.