Current WorkDocs capabilities as of August 2017 are as follows:

Capability Status
Storage/user 1TB
Additional Storage At local S3 rates
Pricing $5/user/month (North America)
Pricing (WorkDocs/WorkSpaces bundle) $2/user/month (1TB)
Long-term commitments None
Free trial 30 days (50 users)
Max number of Users Unlimited
Languages supported English, French, Brazilian Portuguese, Korean, Japanese, Chinese, & Spanish
File upload limit by size (Web client) 5GB
File upload limit by size (Sync client) None
File type or name restrictions None
Bulk Uploads white-check-mark
File Controls: Disable downloads or comments white-check-mark
File Version History Unlimited
Deleted Files Recovery 180 days
In-Browser File Previews Support for over 35 file types
Frictionless editing using native installed Apps white-check-mark
Offline Access Sync client for PC & Mac
Selective File/Folder Offline Sync white-check-mark
WorkDrive for WorkSpaces - (Cloud Based Drive) white-check-mark
Mobile Apps Amazon Appstore for Android, Google Play, and Apple Itunes
Public Links/URL white-check-mark
Links/URL security (password expiration, instant revoke) white-check-mark
Favorite Files/Folders white-check-mark
Share Files and Folders by Invite white-check-mark
Commenting and annotations white-check-mark
Threaded Comments, Private Comments white-check-mark
Assign Deadlines for File Reviews white-check-mark
Search by Filename white-check-mark
File Lock/Unlock white-check-mark
Admins: Manage Users, storage quotas, Sharing settings, transfer ownerships, custom logos white-check-mark
Granular Permissions white-check-mark
Encryption In Transit/ At Rest white-check-mark
2-Factor Authentication support white-check-mark
Data Residency Available in 6 regions across globe
Real-time User Activity Feed white-check-mark
Real-time Site wide Admin Activity Feed white-check-mark
Certifications PCI, HIPAA, ISO 9001, 27001, 27017,and 27018
Single Sign-On, Active Directory Integration white-check-mark
Request File/Folder Access Workflow white-check-mark
Migration Partners white-check-mark
SDKs: Allowed Actions/month Unlimited
SDKs: Languages Java, Python, Go, JavaScript, NET, PHP,& Ruby
SDKs: Roles and Permission management Via AWS Identity and Access Management
SDKs: Real-time Notifications Via AWS Simple Notification Service
SDKs: Usage Logs Via AWS CLoudTrail
SDKs: Authentication Via AWS standard signature version 4, oAuth 2.0
AWS Forums Support white-check-mark
AWS Premium Support white-check-mark