Using the New Outlook for Mac for personal email and calendar
Hello GrantF_604,
Good day! Thank you for publishing in Microsoft Community. We are happy to assist you!
Based on the error code you provided; I have a general understanding. As per my general understanding, I am sharing the mention below information. For more information, please kindly refer this community post: error codes 19888 and 19723 - Microsoft Community
For Error 19723:
- Check for Calendar Invites: If you migrated emails from another Exchange Server or email client, calendar invites might cause this error. Locate and delete any problematic calendar invites.
- Disable Sync Services:
- Open Outlook.
- Go to Tools > Accounts > Advanced.
- Select Sync Services from the Other menu.
- Uncheck all the boxes and close Outlook
For Error 19888:
- Create a New Profile:
- Backup your data first.
- Create a new profile and re-add your account to see if the issue persists.
General Steps:
- Update Outlook:
- Ensure your Outlook is up to date. Go to Settings > Check for Updates and install any available updates
For further assistance, we sincerely recommend you may contact our in-app support team directly in Outlook for Mac client via Help > Contact Support to get further professional suggestions. Here is the document about how to get help from them: **** Contact support within Outlook for Mac (microsoft.com). Engineers in there are focusing on handling such kind of Outlook for Mac related issues, believe they will continue to help you more efficiently on your problem.
If I misunderstand you, please feel free to let me know. I will continue to assist you. Your understanding and co-operation are highly appreciated.
Thanks for your precious time. Have a nice day!
Sincerely,
Nafis Iqbal Shuvo