Jun 11 2021 09:28 AM
Jun 11 2021 09:53 AMSolution
If you mean date picker it's not implemented in modern Excel. You may vote for this idea here https://excel.uservoice.com/forums/304921-excel-for-windows-desktop-application/suggestions/13275054...
Otherwise create 365 rows column and use it in data validation, but that's not very suitable solution.