Because this is of a split archive, you cannot extract or use it as a standalone file. You must have all preceding and subsequent parts (e.g., part1, part2, part3, etc.) in the same folder to reconstruct the original content. Guide to Using This File
The software will automatically link all parts together to create the final uncompressed file. sc23837-AB2Upd14332215.part4.rar
Select or "Extract to..." using a utility like WinRAR or 7-Zip . Because this is of a split archive, you
: Once extracted, look for an .nfo or README.txt file. These usually contain the specific developer guide or installation instructions for the update. Select or "Extract to
The file appears to be a segmented part of a multi-volume RAR archive . Based on common software naming conventions, "AB2" often refers to ABBYY FineReader or a specific Asset/Build version, while "Upd" indicates an Update package.