For hosting common files it's ok. Also it is on Android too do, great to transfer files between your Windows and your phone. But if you want better security you have to subscribe a monthly offer.
Dropbox - Online Sync and File Sharing
Okta - Enterprise-grade identity management for all your apps, users & devices
Google Drive - Access and sync your files anywhere
OneLogin - On-demand SSO, directory integration, user provisioning and more
Mega - Secure File Storage and collaboration
Microsoft Azure Active Directory - Azure Active Directory is a comprehensive identity and access management cloud solution that provides a robust set of capabilities to manage users and groups and help secure access to applications including Microsoft online services like Office 365 …