Dsf.7z -

A high-compression file format. Using 7-Zip on DSF files can significantly reduce their size, which is critical for large scenery packages. How to Work with DSF.7z Files

When putting together a .7z archive for DSF data, you might encounter several compression methods within the Add to Archive dialog: Best Use Case DSF.7z

Default; provides high compression and fast decompression for most data. A high-compression file format