You can connect to Dropbox, Google Drive, Box, OneDrive, Office 365 SharePoint, Yandex
Note: if you can not find the storage of your choice among available options, please check its manual. If the storage supports WebDAV/FTP/ SFTP/SMB protocols, you can configure the connection according to the manual and access it in Documents with the supported protocol.
Some cloud storage services and network drives provide the possibility to connect via WebDAV protocol, here are a few examples:
iPad
To get started, make sure the iPad is online (a Wi-Fi internet connection is preferable) and follow the steps below:
This web storage account will be added to the “Connections” section of the sidebar (Documents on iPad) or to the "Connections" tab at the bottom (Documents on iPhone).
iPhone
To start, make sure the iPhone is online (a Wi-Fi internet connection is preferable), and follow the steps below:
The web storage account will be added to the Connections tab on your iPhone and will appear under Connections section on your iPad.
To disconnect the cloud storage account from Documents, follow the steps below: