Internet Explorer 10 and higher versions are not supported, you have to use the compatibility mode to work with the IOC Extranet platform.
Here is the process to activate the compatibility mode.
1 - Go to: http://extranet.olympic.org
2 - Log in
3 - Press F12 on your keyboard
4 - Click Browser Mode
5 - Select Internet Explorer 8
1 - Open Internet Explorer
2 - Click on the “Tools” and select “Internet Options”.
3 - Click on the Privacy tab
4 - Click on Advanced
5 - Check / tick ‘Override automatic cookie handling’. Here the user can Allow or Block Cookies. Recommendations: Block third-party cookies, Accept first-party cookies and always allow session cookies