Forum Discussion
Migrating Custom Developed Solutions from SharePoint 2013 to SharePoint 2019
Hello Everyone, We are planning to migrate from SP2013 to SP2019 via database attach method by building temp farm of SP2016. I am looking for suggestion on Migrating Custom Developed Solutions f...
When you move from SharePoint 2013 to SharePoint 2019. most of the Customization will work as-is with minor tweaks in the Classic UI.
However if you are looking at a complete modern UI , they may not work. Classic pages will remain classic. they will never automatically convert to modern. if you want them in modern.you have to redevelop with the capabilities that you have in modern.
you can have all the pages in Classic while the Document library and List can have the modern experience. However this will be confusing to your users.