Dropbox
Pros-
– Dropbox has a greater storage capacity then Box
-Has client-side encryption
Cons-
– Maybe more expensive then Box
Google Drive
Pros-
– Inexpensive
– Easy to use interface
Cons-
– Security issues with Google
– Limited storage capacity compared to Box and Dropbox
OneDrive
Pros-
– Integrates with Office 365 & Outlook
– File version history
Cons-
– Missing features found in competing services
– Difficulty setting up permissions for multiple users