: Ensure you have part1.rar , part2.rar , and part3.rar . You cannot read the text from part 4 in isolation because the data is striped across all volumes.
: The .part4.rar extension indicates this is the fourth piece of a larger set. You generally need all parts (part1, part2, etc.) in the same folder to successfully extract the "useful text" or data contained within.
: If you are looking for a description of what is inside without downloading everything, these filenames are frequently indexed on driver sites or "manuals" databases.
: Use a utility like WinRAR or 7-Zip . Right-click on part1.rar and select "Extract Here." The software will automatically pull data from part 4 to reconstruct the original file.
: Files with the "GGS" prefix often relate to Global Geodetic Systems , GIS data , or specific firmware/software updates for industrial or navigational equipment. In some technical circles, "GGS" also refers to specific game guides or script repositories, though the alphanumeric code sc23856 suggests a more specific cataloged item, likely from a driver database or a legacy software archive. How to Access the "Useful Text"