No Product Manager Handbook videos yet. You could help us improve this page by suggesting one.
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.
PM Starter Pack - Practical guide on how to get started in product management
Dropbox - Online Sync and File Sharing
Product School - The global leader in product management training
Google Drive - Access and sync your files anywhere
Product Lessons - Actionable lessons to accelerate your career
Mega - Secure File Storage and collaboration