Please go to Create an Outlook profile for steps on how to create a new Outlook profile, then continue with how to use a different profile. If you can't choose any of the menu options, type inside an email message, calendar event, or contact, Outlook may have frozen. There are three steps you can take to try to get Outlook working again. With the window with the Windows Update, you will see all the updates you need to make for your Microsoft Office. Compatibility mode is suitable for older software with Windows 10 that fail to run normall

Incorrect send/receive intervals often delay inbox updates. Go to File → Options → Advanced → Send/Receive and set automatic send/receive every 5 minutes for best performance. Large mailbox sizes, unstable network connections, and abrupt shutdowns are the leading causes of OST corruption. Microsoft provides a built-in tool called SCANPST.EXE to scan and repair minor OST corruption. Chat with our experts or create a support request now.


Addressing these problems effectively often boils down to a few strategic troubleshooting steps. When it comes to troubleshooting your internet connection, understanding how a simple act like flushing your DNS cache can remedy multiple problems is key. Our devices thrive on accurate information and speed when connecting to the vast landscape of the internet. Unfortunately, outdated or corrupted DNS entries can disrupt this flow, resulting in frustrating experiences. For instance, you might find that a website fails to load despite your internet being otherwise activ


If you have problems when you try to open your .ost file, you can use the Inbox Repair tool (Scanpst.exe) to diagnose and repair errors in your .ost file. The Inbox Repair tool can be used on both .ost files and on Personal Folders (.pst) files. The Inbox Repair tool scans the .ost or .pst file and makes sure that the file structure is intac

This ensures smoother delivery even during troubleshoot Outlook synchronizing folders error network drops. Navigate to Send/Receive → Work Offline and toggle it. If Outlook reconnects successfully, the OST issue was likely caused by temporary disconnection from Office 365 servers.


If not, you can completely uninstall Microsoft Office and then reinstall it. Now, restart Outlook and check if Outlook synchronization is working. You can check the error message to find the cause behind the sync issue and fix it. If an external address just do your own forward lookup zone in your DNS servers and deal with troubleshoot Outlook synchronizing folders error it there for your internal client

If your Outlook OST file isn’t syncing properly with Office 365, you’re not alone. Thousands of users face corrupted OST files, sync errors, and missing mailbox data after system updates or unexpected shutdowns. In this 2025 guide, we’ll show you how to repair the Outlook OST file and restore seamless email performance without losing important data. If your Outlook inbox isn’t refreshing automatically, leaving you waiting for new messages, you’re not alone. Many Microsoft 365 and Outlook users experience email synchronization problems caused by outdated cache, network delays, or improper settings. Here’s a complete 2025 guide to get your mailbox updating in real time again.

If the OST works properly, disable unnecessary add-ins from File → Options → Add-ins. But knowing the process on how slow my local state government takes to fix things, it could be a long time. They took 4 months to fix a crosswalk light post after some idiot crashed into it and I couldn't walk anywhere without troubleshoot Outlook synchronizing folders error taking a huge detour.


You can experience sync issues in Outlook due to poor or no network connectivity. So, first check if your internet connection is stable and working properly. If the connection is slow or inconsistent, you can restart the router or contact your internet provider/IT admin for help. Should problems continue after flushing your cache, examining additional factors like connectivity settings or even external influences such as your internet service provider might be worthwhile. Regular maintenance improves performance and helps ensure a seamless browsing experienc

If Outlook still doesn’t sync, create a new mail profile. Head to Control Panel → Mail → Profiles → Add and add your account credentials again. A corrupted OST file can pause your business communication, but with these repair steps you can restore your Outlook in minutes. Follow each method carefully, keep your account synced to Office 365, and maintain regular backups to avoid future data loss. You’ll see files ending with ".ost" — these store your cached mailbox data. Yes — Outlook will re-sync mailbox data from the server once you relaunch the app, as long as you use an Exchange or Office 365 account.


Since many folders go unused when there are multiple choices, this creates clutter. If you have more than three messages to discuss, don't flag each one because they will pollute your task list. Instead, create a new task with the name of the meeting; right-click and drag the messages to the task (copying as you go). Looking at the whole picture of your time and your tasks will help you to prioritize important work over less urgent tasks. It will help you to make it clear to others what can and can’t be realistically expected of you to accomplish. Reviewing your past week and upcoming week is also a useful way to help you prepare for a weekly meeting with your manager or help you prepare a status email messag