It is not possible to use the Outlook Sync option when running under Jim2Cloud.
The calendar and Todo can be accessed via Jim2 Mobile.
When making changes in Options, it is advisable to log off and back on to ensure the changes take effect.
If you receive an Access Denied warning, this indicates that the password you have entered is incorrect.
Further information
Error Printing PDF files
Jim2Cloud Local Region Setting Issue
Jim2Cloud Error Messages
No Resources Available in Windows App
OneDrive Sharepoint Signin