Cloud Storage & File Sharing:

Its weakest area is still the broader tracking and sharing surface around links, team admins, analytics, and long-lived stored files.

Dropbox is strongest where AI features and partner handling come with clearer limits than typical consumer productivity tools.

The weakest area is the surrounding Google tracking and marketing environment, plus the risk of files becoming too widely accessible by link.

Google Drive is strongest where users and Workspace admins can control sharing, exports, access, and governance around stored files.

Its weakest area is the surrounding account and sharing layer, especially for backups, links, albums, and Apple-wide service settings.

iCloud is strongest where Apple limits AI training and offers unusually strong protection through Advanced Data Protection and encrypted services.

MEGA is weakest on retention because backups and compliance exceptions can keep data longer and retention can change with plan or account behavior.

MEGA is strongest where it sets guardrails around AI training, with better limits on how prompts, uploads, or workspace data feed models.

The weakest area is the surrounding tracking and sharing layer, especially when shared links, third-party apps, and stale access remain open.

Box is strongest where admins can control classifications, link policies, retention, governance, and user access across stored content.

OneDrive is weakest on ads and tracking because tracking, analytics, and ad-related signals still follow how people use the service.

OneDrive is strongest where it sets guardrails around AI training, with clearer training limits and stronger business-data rules.