Changing date format in MS Lists

Question

My MS Lists is defaulting to MM/DD/YYYY date format and I have tried to change it though List Settings but no matter what way I put in the European format I keep getting a message saying it;s not a valid date.

Answer 1

Dear Cliona McCabe,

Good day!!

Apologies for the inconvenience caused and please don’t worry, let’s work together on your concern and move towards a resolution path.

I understand your concern and would like to let you know that I have tested the behavior at my end with the Microsoft Lists, where my regional settings for the OneDrive is set to European country but still the date format shows in the format of MM/DD/YYYY instead of DD/MM/YYYY.

In this situation, the behavior encountering is not an expected and I believe the problem should be further investigated by related development team via collecting HAR logs because there is no any related service incident reported at the Microsoft Service Health dashboard.

I do feel regret for not resolving the problem and redirecting you to the related development team but the fix to your concern can be find out through the HAR logs and suggest you raise a support ticket from the Office 365 admin center, where the related team will investigate the problem further by collecting the HAR logs.

Reference: Get support - Microsoft 365 admin | Microsoft Learn

Note: To create a support ticket, you need to have admin privileges and if you aren’t admin of your Office 365 organization, please contact the admin of creating a new ticket.

Appreciate your patience and understanding. Have a great day!!

Best Regards,

Sophia