(Excel) Unable to delegate cell/column-specific user writing permissions since migration to Office 365

Question

Hello! Ever since our company migrated from Office 2016 with Local AD to Office 365 with Azure AD we have been unable to delegate user-specific writing permissions to specific columns/cells in our Excel documents. How do we achieve this in Office 365 with Azure AD?

Kind regards,

Alexander Syring

Edit: For information on how we previously managed to do this in local AD see the answer from user @Viki Ji_MSFT https://learn.microsoft.com/en-us/answers/questions/597423/excel-unable-to-delegate-cellcolumn-specific-user.html#comment-607112