https://docs.dopus.com/ 2026-04-17T09:04:30+00:00 https://docs.dopus.com/ https://docs.dopus.com/lib/exe/fetch.php?media=logo.png text/html 2025-07-23T07:15:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.dopus.com/doku.php?id=file_types:directory_opus_file_types&rev=1753254951&do=diff As well as the registered file type extensions and groups, there are a number of pseudo-file types that Opus defines. These are listed at the top of the File Types dialog.   Changes that you make to these file types will affect general classes of file rather than specific types. They are: text/html 2023-08-18T22:35:47+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.dopus.com/doku.php?id=file_types:filetype_editor&rev=1692398147&do=diff The File Type Editor dialog is used to make changes to individual file types or file type groups. It is accessed by double-clicking on a file type in the list on the File Types dialog, or selecting the file type and clicking the Edit button at the bottom of that dialog.   text/html 2023-08-18T22:35:47+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.dopus.com/doku.php?id=file_types:file_type_groups&rev=1692398147&do=diff File type groups let you create pseudo file-types that contain multiple file extensions. Changes that you make to a file type group (like adding a context menu) are automatically reflected for all files that belong to that group. For example, the Images