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.
Dropbox - Online Sync and File Sharing
Acronis Cyber Protect Home Office - (Formerly Acronis True Image) Complete protection for your digital life
Google Drive - Access and sync your files anywhere
Arcserve UDP - Arcserve UDP is data backup & recovery software that deals with unified data protection solutions, making you protect your computer system by creating data stores on the recovery point server.
Mega - Secure File Storage and collaboration
SolarWinds Backup - Modern server backup software