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.
Zerto - Virtual replication & recovery solution
Dropbox - Online Sync and File Sharing
Druva inSync - Your device may be lost, but your data isn’t with Druva inSync™ Integrated backup, eDiscovery and compliance monitoring.
Google Drive - Access and sync your files anywhere
Macrium Reflect - Macrium Software - the creators of Macrium Reflect backup, imaging and cloning software.
Mega - Secure File Storage and collaboration