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.
I use this service to share video game clips with my friend. I get a custom domain from the service so it looks very cool and its custom.
Dropbox - Online Sync and File Sharing
Google Drive - Access and sync your files anywhere
Mega - Secure File Storage and collaboration
Box - Box offers secure content management and collaboration for individuals, teams and businesses, enabling secure file sharing and access to your files online.
Nextcloud - With Nextcloud enterprises host their own secure cloud solution for storage, collaboration & communication from any device, anywhere.
pCloud - Cloud storage service with up to 20GB for free! Store, share and send large files to anyone. Join now and have your files everywhere you go.