DsLav Contents file (.dat) is the application's native file format. When you save the Contents you are saving to this format, and all Media Items and Topics are saved. These files cannot be edited.
DsLav Media Record Format (.txt) is for sharing among DsLav users. It can be edited in a text editor (Notepad, Word), and has an option to exclude disc files. See the MediaRecordFormat.txt located in the installation directory for more information.
M3u Format (.m3u) is a playlist format which many media players use. It can be edited in a text editor, and has an option to exclude disc files.
Write Topic Aliases writes the alias for predefined topics. This option will make the file smaller. See the TopicAlias.txt located in the installation directory for more information.
Save as Unicode is needed only if non-english or special text characters are used.
Import:DsLav Contents files (.dat) - overwrites the contents entirely with the imported one.
DsLav Media Record Format (.txt) - same as above but and with the option to overwrite the existing Contents entirely, or write only to a single topic such as "Imported Media".
Pls, M3u and M3u8 - common playlist formats found on the internet. The imported media items will be placed in a single Topic. You can enter an existing Contents Topic, or create a new Topic such as "Imported Media".
Search/Update Radio Stations:See the Radio Station Database topic for information.