Take Note that Excel in-constructed protection function is not really very strong and you may easily open up worksheets/workbooks that have been locked. Nevertheless, if you need to speedily protect it just before sending it in your supervisor/shopper (so they don’t turn out switching something by error), it works properly. https://microsoftteamstraining.school.blog/2024/09/17/efficient-scheduling-with-google-calendar-a-training-guide/