A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data
This update KB4484305 probably solve the issue.
https://support.microsoft.com/en-us/topic/november-19-2024-update-for-excel-2016-kb4484305-c7fdc4c1-5061-c276-254f-5a090a462e4a
(This update fixes an issue in which Excel add-ins that were enabled the last time that you used Excel might not load correctly when you open Excel.)