Confluence allows to access spaces and pages via the WebDAV protocol in the file system given a suitable WebDAV client is available. Especially when migrating content from file system based storage, uploading attachments to pages can be time consuming and less convenient.
WebDAV allows users to access Confluence content via a WebDAV client, such as 'My Network Places' in Microsoft Windows. Provided that the user has permission, they will be able to read and write to spaces, pages and attachments in Confluence. Users will be asked to log in and the standard Confluence content access permissions will apply to the equivalent content available through the WebDAV client.
This is a native Confluence feature which is not supported by the Stella team.