NextCloud is a file hosting application for your photos, documents, calendar and contacts with many useful features.
NextCloud can be installed in the client area at Services > Click the green Active Button > Applications.
Once installed NextCloud can be accessed on the Installed Applications page at Services > Click the green Active Button > Installed Applications.
Leave the data folder and database selection as they are, a different database or data folder cannot be used.
Data Folder: /data
Now click the Finish Button.