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In addition, when you sync (or download new messages), Mail for Windows 10 may remove messages that are outside of that two week window. They're just stored only on the server and not in Mail for Windows 10.Both of these problems can be fixed by changing the sync settings for your account.You've just set up a new account and you see the message "Not synced yet" or "we didn't find anything to show here" You aren't seeing older messages or messages are disappearing from your inbox You aren't seeing your older events or events more than a few weeks in the future Your account settings are out-of-date You see error 0x80072726 or 0x85050041 or the message "This device doesn't meet the security requirements set by your email administrator" You see a different error code or your problem isn't listed here When you first add an account to the Mail and Calendar apps, Windows 10 has to contact your email server to download your messages and calendar entries. If it's been longer than that, try the following steps to fix the problem.These options are presented from the most common fix to the least common fix.The first step you should take to resolve any issue is to check for updates to Windows 10 and the Mail app.Make sure Automatic Updates are enabled and that you have the latest updates.
For more information, see Apply updates to Windows 10 and Update Mail and Calendar for Windows 10.Once you've updated Windows 10 and the Mail and Calendar apps, If you're still experiencing sync issues, choose your specific problem to jump right to a set of steps to fix the issues.