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.
Tealfeed - A knowledge sharing platform to empower creators
Dropbox - Online Sync and File Sharing
Diem - Diem is a knowledge-sharing platform and digital safe space built for women and non-binary people.
Google Drive - Access and sync your files anywhere
BoostHQ - An online community platform for your employees to gain knowledge, share experiences and learn from each other.
Mega - Secure File Storage and collaboration