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.
Investor List - A searchable, crowdsourced list of over 1k investors
Dropbox - Online Sync and File Sharing
Investor Hunt - Investor Hunt is the internet’s largest investor database with 40k+ angels and VCs from all over the world.
Google Drive - Access and sync your files anywhere
Investor Scout - A database of 45k+ investors to raise your seed round 💰
Mega - Secure File Storage and collaboration