Migration to modern UI from classic UI in SharePoint Online


If you have reference information, please provide and advice me.

1. Function mapping sheets between modern UI and Classic UI
2. What is a migration impact to developers

3. Detailed area of influence on Migration
4. Important points to be noted when migration to modern UI to classic UI


Thank you,


1 Reply


Hello Aki,


I think below utility may help you understand the impact on your current site - 



Thanks & Regards,