Nextcloud

Users can access the most up-to-date version of a document, track changes, and revert to older versions if needed.

Supports video file types

Supports audio file types, such as .mp3, .mp4, and .wav

Users can edit files and attach comments to files.

Users can control access to (shared) files, including different levels of access such as view-only or permission to edit.

A search function that allows users to easily find files, and in some cases even search within multiple files.

Device syncing that updates files connected to the cloud, keeping all files up to date regardless of where they are edited or viewed.

Administrators can manage users and user groups by role, in terms of setting permissions for things like file access, sharing, and editing permissions.

The ability to choose where files will be stored, and manage individual users' storage; includes control over file organization structure.

Administrators can manage devices connected to the cloud storage platform, including restricting access for certain devices or wiping files from devices remotely.

Platform runs at a good speed on all browsers; files load and sync quickly.

Cloud storage platform is secure, all features are consistently available, and the platform maintains file integrity.

Includes reporting capabilities to monitor user activity and storage levels.