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.
Gilisoft USB Stick Encryption - Gilisoft USB Stick Encryption is a USB encryption system by the Gilisoft that is known for delivering the password protection and encryption system for the PC drives.
Dropbox - Online Sync and File Sharing
VeraCrypt - VeraCrypt is a free open source disk encryption software for Windows, Mac OSX and Linux.
Google Drive - Access and sync your files anywhere
Rohos Disk Encryption - Rohos Disk Encryption is not about encrypting the some USB sticks only, rather it contains the some additional features and functions as well to deliver the extra encryption systems for your PC.
Mega - Secure File Storage and collaboration