Outlook 2025 Calendar Sync Issues Today. To clarify the workflow, when we create a ticket in. Sometimes an error appears in the mail and calendar apps when the apps try to sync new email or calendar events.

If outlook isn’t syncing emails, ensure your internet connection is working, turn off the app’s offline mode, manually sync your email folders, change your email sorting order so. We understand you are facing an issue with calendar items syncing between personal and work calendars.