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.
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
Dropbox - Online Sync and File Sharing
Microsoft Teams - Microsoft Teams provides the enterprise-level security, compliance and management features you expect from Office 365, including broad support for compliance standards, and eDiscovery and legal hold for channels, chats, and files.
Google Drive - Access and sync your files anywhere
Creativity 365 - Cross-device content creation suite
Mega - Secure File Storage and collaboration