Use the Migrate Files action to migrate File Share files as SharePoint documents in a new or existing document library.
To initiate a "File Share Files to a new or existing SharePoint document library" migration:
1.In Explorer View, select the source File Share folder whose files you want to migrate.
2.Switch to Items View.
3.Select the files for migration (these files can be multi-selected).
4.Right-click and choose Copy Files.
5.Select the target SharePoint site or existing document library into which you want to migrate the files.
6.Right-click and choose Paste Files.
Continue with Configuring Copying Options.