Yes.
Multiple files or a whole folder contents will be archived (compressed) to a .zip file when downloaded.

Yes.
You can specify the file(s) to perform Antivirus Check action. See “Execute Actions” for more information on how to perform actions on uploaded files.

You can manually delete uploaded files and folders. Files and folders deleted in DOX will be moved to Trashbox of the account which performed the operation. You can manually delete files and folders from Trashbox. Otherwise, they will be automatically deleted after seven days.
See “Delete Files and Folders” and “Use Trashbox” for more information on deletion of files and folders.

No, IIJ will not be available for such request. Storage management is left to customer’s responsibility.

No. Files in Trashbox will be automatically deleted after 7 days.

Files and folders deleted in DOX will be moved to Trashbox of the account which performed the operation. You can recover files and folders to their original locations. Note that you can no longer recover files and folders once you delete them from your Trashbox.
See “Delete Files and Folders” and “Use Trashbox” for more information on deletion of files and folders.

It varies from software to software. In order to avoid any data loss, please download the file, edit and upload it again.

You can add the folders to Favorites. Clicking “Favorites” tab displays a list of favorite folders.
See “Managing Favorites” for more information on Favorites.

The original folder may be deleted or moved.
Links in Favorites do not automatically update. Please delete the link once and add again.

No.
However, you can access a specific folder or group space directly using the following methods.

[Common Space]
https://(contracted host name)/.dx/ns/(folder name)/

[Group Space]
https://(contracted host name)/.dx/gr/(group space name)/
https://(contracted host name)/.dx/gr/(group space name)/(folder name)/

Yes. You can set access control on folders in the common space. “Read Only” and “Read/Write” access is available on per account or group basis. Account with neither access will have “No Access”.
See “Access Control Setting” for more information on access control.

No. Please select a different folder when you copy or move a file.

Yes.
Advanced Search provides file name, folder name, comment and updated date/time for search criteria.
See “Search Files and Folders” for more information on search.

Yes.
To use WebUI in English, select “English (U.S.)” as the primary language of your browser.

DOX supports Windows and Mac OS. See "About this site" on the WebUI login screen for more information about browsers that support WebUI.
WebDAV supports the WebDAV clients included with Windows 10.
WebDAV can also be used with UNIX and Mac OS if a third-party WebDAV client is used, but this is not supported.

DOX applies application/octet-stream as a MIME type in order to display the “Save As” dialog box whenever accounts download files from WebUI.
However, some browsers may not provide any “Save As” dialog box and directly display the contents of downloaded file.
Please note that MIME types are not registered by file type.