How to Handle Massive SharePoint Libraries During a Migration

The SharePoint Dilemma

SharePoint Online allows for massive, deeply nested document libraries that often exceed Google Drive's recommended limits for a single Shared Drive (400,000 items).

The Solution: Architecture Splitting

Instead of moving a 1TB SharePoint site into a single Google Shared Drive, analyze the folder structure during the Discovery phase. Split the root folders into distinct, department-specific Google Shared Drives. This not only avoids API limits during migration but dramatically improves search performance and permission management for end-users post-migration.