Regardless of their mailbox size, Microsoft set a default OST size for a reason, while it can be changed, that doesn’t mean it should. If your password isn’t the problem, you might have a certificate error. If so, you’ll see a message that says, “There is a problem with the server’s security certificate. The security certificate is not from a trusted certifying authority.” Check with your email provider for instructions about how to create an app password for your email account.

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

In the notification bar at the top of the app, select Fix account. If your password is incorrect, you’ll see a message asking you to update your password. Before you begin, make sure that your device has the latest operating system and app updates. Try the general troubleshooting solutions in Troubleshooting Mail and Calendar apps for Windows 10. If that doesn’t solve your issue, try the solutions below.

Desktop (Old) Outlook Not Syncing Recent / All E-Mails - ‘Kinda’ Urgent

How do I fix Outlook not updating emails?

In some cases, there might be outages or network-related issues, such as problems with a VPN. Mail flow issues can also arise out of other circumstances, such as a user having a mailbox in both Exchange Online and Exchange on-premises. In some cases, an issue might be related to MDM settings, such as restrictions on Outlook functionality, or user account and mailbox settings in Exchange. Sometimes an error appears in the Mail and Calendar apps when the apps try to sync new email or Microsoft 365 troubleshooting calendar events. These syncing problems usually happen because of issues like a damaged Outlook profile, poor internet connection, or a corrupted OST file.

Check advanced mailbox settings

While we all use systems differently, I don’t think I have 100GB of data after working for my company almost 25 years, let alone this much email.The approach that IT takes to address a syncing problem depends on what type of problem it is.When issues occur at the account level, admins should ensure that users are properly logging into their accounts and provide them with instructions as needed.Firewalls and antivirus software might prevent you from syncing your email and calendar events.IT teams should build a plan to tackle these threats and make sure users are aware of the security concerns.Regardless of their mailbox size, Microsoft set a default OST size for a reason, while it can be changed, that doesn’t mean it should.Why not limit the caching to a more reasonable 1 year, if they need to access things outside of this, they can, they just have to click ‘view messages on server’ to do so.

When using Microsoft Teams on an iPhone, slow performance and app crashes can bring mobile work to a halt. Many issues come down to internet bandwidth or low storage space. 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&nbsp