Doc2.7z

: Set it to Solid or choose a large block size (e.g., 2 GB , 4 GB , or Non-solid to turn it off).

When you create an archive using the 7-Zip desktop application, you will see a setting labeled : doc2.7z

In a standard 7-Zip (7z) archive, files are compressed individually. In a archive like your "doc2.7z" , the files are concatenated together before the compression algorithm is applied. 📈 Advantages of Solid Content : Set it to Solid or choose a large block size (e

: It significantly improves the compression size, especially when the archive contains many small, similar files (like text documents, code, or logs). similar files (like text documents

: If a part of the solid block becomes corrupted, it can damage or prevent the extraction of all subsequent files in that block.