Nextcloud keeps your files in shared folders, with links that send files to a client or let them upload. It also keeps calendars and contacts. It works in a web browser, and it has phone and desktop apps.
It comes with the Office solution, which adds Nextcloud Office, for writing documents and spreadsheets in the browser and editing them together.
It comes with the School solution.
What Clusterz sets up
Nextcloud and its database, at its own web address, with an administrator account. It comes with Calendar, Contacts, Deck, Tasks and Notes, and image previews. It starts empty, and it is sized for about 50 people.
To add it on its own, open Nextcloud on its own. Install a set or an app gives the steps.
How to sign in
The username is admin, unless you chose another as you installed it. First sign-in to an app gives the steps. You then add your staff as users inside Nextcloud.
Licence
Nextcloud is open-source, under the GNU Affero General Public License 3.0, which applies to your use of it.
Learn to use it
Training your staff stays with you. Nextcloud's makers publish the Nextcloud user manual.