If this file is part of a specific software project, Capture The Flag (CTF) challenge, or data dump, you must reconstruct the full archive to identify the specific "feature" or documentation contained within.
: Like all middle or end segments of a split 7z archive, .004 appears as unstructured binary data to most applications until it is rejoined. RedBracelet.7z.004
Do you have the (.001 through .003) to extract the full archive? If this file is part of a specific
: Right-click on RedBracelet.7z.001 and select 7-Zip > Extract . The software will automatically detect and pull data from part .004 as needed. Command Line (Alternative) : Windows : copy /b RedBracelet.7z.* RedBracelet.7z Linux/Mac : cat RedBracelet.7z.00* > RedBracelet.7z : Right-click on RedBracelet
: This file contains the data starting at the specific byte offset where part 003 ended. It does not contain its own file header; the master header is located in the first part ( .001 ).