: Right-click on Part 1 and select "Extract Here." The software will automatically pull data from Part 2 and all subsequent volumes to reconstruct the original file.
Based on the filename , this is a specific segment of a multi-part compressed archive. Because filenames like this are often randomized or part of private data sets, the exact contents aren't publicly indexed, but What is this file? 511gn397.part2.rar
: Use WinRAR , 7-Zip , or The Unarchiver (for Mac). : Right-click on Part 1 and select "Extract Here