Using New Outlook on Windows for personal email, calendar, and contact management
Hello Confused in the UK,Good morning!Thank you for publishing in Microsoft Community. We are happy to help you.Based on the description you have shared; we understand that you have an issue with Outlook 'new' Calendar snapping to the time of day, rather than showing all hours of the weekly view.
your needs is Outlook Calendar Limit Viewable Hours Shown in Week View, and an option be provided to set exactly what hours are shown in a static view that does not need scrolling without impacting working hour designations. Am I correct?
It's important to know the type of account you're using because each account has a different process and a different support category.What type of account is affected? is Outlook.com account, Hotmail account, or professional/educational account.
Since usually happens in the classic outlook but you have to post the issue in the new outlook, please provide us your outlook version as below picture, it will help to provide a correct answer to your query
If it is classic Outlook you are using go to file < Office account and screenshot :
If you are using New Outlook go to view < view settings < General < About Outlook and you will see the new Outlook version and share it with us. We look forward to your reply. This requested information will help us narrow down the scenario and find the right Answer. We will continue to assist you based on the information you provide. I sincerely appreciate your patience and cooperation.SincerelyEben Ezer Tres | Microsoft Community Moderator