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.
Coinbase - Bitcoin, safe and easy.
Dropbox - Online Sync and File Sharing
Lunchr - An Employee card for lunch breaks, available in France 🇫🇷
Google Drive - Access and sync your files anywhere
Brex - The first corporate card for startups
Mega - Secure File Storage and collaboration