You can easily search for the missing items, select them, and save them in PST and other file formats, such as MSG, EML, RTF, HTML and PDF. This tool is designed to extract mailbox items from orphaned or inaccessible OST files. Firewalls and antivirus software might prevent you from syncing your email and calendar events. The Virto Calendar App for Microsoft 365 & Microsoft Teams is a powerful calendar management solution designed to enhance team collaboration and streamline scheduling processes. This app bridges the gap between various Microsoft 365 apps, providing a seamless calendar syncing experience that significantly improves team planning and coordination. In fact, calendar synchronization problems are among the most frequently reported issues by Outlook users.


Additional resources

Try removing and re-adding the problematic calendar to reset the connection. If none of these steps work, consider clearing your Outlook cache or running the calendar repair tool to fix any underlying data issues. Often, the root cause lies in incorrect sharing permissions, where users might not have the appropriate access levels to view or edit calendar entries.

Often, the root cause lies in incorrect sharing permissions, where users might not have the appropriate access levels to view or edit calendar entries.For a similar error caused by a different issue, refer to Outlook shows Disconnected in status bar if the last character in legacyExchangeDN is a space.Outlook calendar synchronization ensures that your schedule remains up-to-date across all your devices and platforms.In this section, we’ll explore common troubleshooting sync steps specific to smartphones and tablets, covering both iOS and Android devices.Check the software documentation to learn how to temporarily turn it off.Remember to restart your device after installing updates to ensure all changes take effect.To fix the issue, please try each of the following solutions in order.When synchronization issues occur in Microsoft Outlook or in Microsoft Outlook Web App (formerly Outlook Web Access), you may experience the following symptoms.
Check your privacy settings

Outlook calendar syncing problems, while frustrating, are usually fixable. Common culprits include incorrect permissions, network or server issues, Resolve Outlook data file errors outdated software, cached data conflicts, and account misconfigurations. Also, be mindful of potential conflicts when multiple users edit shared calendars. The solutions outlined in this article, from simple checks to more advanced fixes, address most of these issues. If your Outlook calendar is not updating with meetings, it could be due to several reasons. First, ensure you have the necessary permissions to view and edit the calendar in question.


Check if two-factor authentication is turned on for your account

Outlook doesn’t always sync instantaneously, and there can be a short lag between changes made and their appearance across all devices. If these methods do not resolve the issue, we recommend that you rebuild the .ost file. To do this, delete the .ost file, and then let Outlook download the information again from Exchange Server. For more information, see the More information section of this article.
Multiple user edits and sync conflicts

Remember, patience is key when dealing with shared calendar sync issues. Remember, identifying the root cause is the first step to resolving your sync issues. In the following sections, we’ll dive into specific solutions to get your Outlook calendar syncing smoothly again. After rebuilding the OST file, it’s important to check for any missing mailbox data. If you find any missing items in the new OST file, you can recover them from the backup OST file using Stellar Converter for OST. This professional OST to PST converter tool can extract data from the backup OST file and convert it into PST file, which you can easily import into Outlook.

How to resolve the issue of Outlook not syncing in Windows?

Network hiccups or server problems can also disrupt the smooth flow of calendar data, leading to inconsistencies across different users’ views. When multiple users make changes to the calendar simultaneously, conflicts can occur. The OST Integrity Check Tool runs only on .ost files and can be used to diagnose and repair synchronization issues. It scans your local copy of the .ost file and your mailbox on an Exchange Server.