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.
ServiceNow - ServiceNow automates and manages global enterprise service relationships. Create a single system of record for enterprise services, automate manual tasks, consolidate legacy ITIL systems.
Dropbox - Online Sync and File Sharing
Freshservice - Freshservice: the one-stop cloud solution for all your IT management needs.
Google Drive - Access and sync your files anywhere
SolarWinds Service Desk - An IT service management (ITSM) solution that understands what it takes to successfully manage your employee services. Try Solarwinds Service Desk for free!
Mega - Secure File Storage and collaboration