If you’re not an admin, ask your IT department to check this for you.

Solution 5: Clear RoamCache Files

Try the general troubleshooting solutions in Troubleshooting Mail and Calendar apps for Windows 10. All of my users use Outlook on the Web in Chrome.for one day -using incognito mode solved the mail won’t send message. After confirming synchronization is not working, follow the solutions discussed below to troubleshoot the issue. Remember, changes to these settings might require you to restart Outlook or even your computer to take effect. Always ensure you have a backup of your data before making significant changes to your email configuration.

Create an Email Group in Outlook for Faster Team Communication

Once you have a stable and consistent network connection, you can go ahead and follow the other advanced troubleshooting solutions. 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. If you still can't sync your email after removing your account Outlook not receiving emails solution and adding it again, you might need to add the account using advanced setup. For more information, see Add an account using advanced setup. I’m not seeing calendar issues, but in all fairness, we don’t use the calendar much. I am, however, seeing Outlook not authenticate to my mailbox.

Synch Teams and Outlook Calendars

If you haven't installed alternative security software, you should temporarily turn off Windows Defender Security Center. My user list of who has editor permissions to the known 15+ accounts is not the entire company. Health center even is reporting a syncing issue - though clearly the issue is much larger than just syncing. Remember, creating a service ticket usually requires admin privileges.

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The current MS fix is - remove the calendar from Outlook (on the web) and readd them… they are presently not suggesting that I change any permissions. If the synchronization stops just after activating any of the add-ins, that’s the culprit. Remember, these processes will require you to set up your accounts again and may result in the loss of some settings. In essence, a well-synced calendar is not just a convenience—it’s a crucial tool for personal and professional success in our fast-paced, digital-first world. If you can sync your email when the firewall is turned off, you'll need to allow the Mail and Calendar apps through the firewall. Windows Defender Security Center is free security software that's included with Windows 10.

• A problematic OST file can also cause shared calendar synchronization problems.
• If a damaged Outlook data file (OST) is the root cause behind the issue, you can recreate the OST file after taking a backup and deleting it from its default location.
• Remember, identifying the root cause is the first step to resolving your sync issues.
• If you’re using an IMAP or POP account, some of these options may not be available, and you might need to check your account-specific sync settings.
• Common culprits include incorrect permissions, network or server issues, outdated software, cached data conflicts, and account misconfigurations.
• In essence, a well-synced calendar is not just a convenience—it’s a crucial tool for personal and professional success in our fast-paced, digital-first world.

The solutions outlined in this article, from simple checks to more advanced fixes, address most of these issues. Shared calendar syncing issues with Outlook can lead to overlooked appointments, missed team meetings or scheduled calls with customers or clients. Therefore, it’s crucial to resolve the issue as soon as possible. This detailed guide highlights how you can check if your shared calendar is not synchronizing properly and shares effective solutions to troubleshoot and fix the issue. If a damaged Outlook data file (OST) is the root cause behind the issue, you can recreate the OST file after taking a backup and deleting it from its default location. If your Outlook calendar is not updating with meetings, it could be due to several reasons.