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.
ShipStation - Seamless eCommerce shipping fulfillment software. Wherever you sell, however you ship, ShipStation can help. Auto order import, batch label print, & more!
Dropbox - Online Sync and File Sharing
Kuebix TMS - Complete transportation management system (TMS) for every business that ships freight, all...
Google Drive - Access and sync your files anywhere
2Ship - 2Ship is a best-in-class Transportation Management Solution that enables you to interact with all the carriers in a single place.
Mega - Secure File Storage and collaboration