Tags
Save tags when using arrow-keys/single mouse click
This option enables automatic saving of entered data when the file loses the focus (i.e., when moving to a different file in the File List.
Moving to a different file can either be done with the mouse by selecting another file (or the empty area of the File List), or with the keyboard by moving the arrow keys while the File List has the focus or Ctrl+N (e.g., to keep focus in the Tag Panel).
Restrict incoming files to
Mp3tag will read all supported files with the specified file extensions.
Save mode at extended tag dialog
You can specify whether Mp3tag should ask, ignore or always save changes made at the extended tags dialog.
Don’t display first image from file directory as cover art
Mp3tag can display the first image from the file’s directory as cover art in the Tag Panel if the file has no embedded cover art. You can restrict cover display to embedded cover art with this option.