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.
CrowdStrike Falcon Endpoint Protection - Cloud-based endpoint protection for businesses. The Falcon platform offers nex-gen endpoint security with an intelligent, easy-to-install lightweight agent.
Dropbox - Online Sync and File Sharing
Druva Cloud Platform - Druva offers a Data Resiliency Cloud Platform that allows you to unleash the capabilities of the cloud to energize your company with data security and management.
Google Drive - Access and sync your files anywhere
Cisco Secure Access by Duo - Cisco Secure Access by Duo is a powerful solution that enables you to protect your workforce by implementing enhanced endpoint visibility and multi-factor authentication.
Mega - Secure File Storage and collaboration