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.
iPad Pro - The new iPad. 12.9", keyboard, pencil. A sight to be held.
Dropbox - Online Sync and File Sharing
Burrow - Use code PH75 for $75 off the spill-proof pet-friendly sofa.
Google Drive - Access and sync your files anywhere
Microsoft Intune for Education - Simplify IT. Enhance every classroom.
Mega - Secure File Storage and collaboration