The file follows a naming convention used by WinRAR and other archiving tools when splitting an archive into multiple volumes. The part1 indicates that this is the first piece of a multi‑part set. Other parts would be named ...part2.rar , ...part3.rar , and so on.

Ensure all parts are fully downloaded, named identically (except for the part number), and sitting in the exact same directory. 2. "CRC Failed" or "File Corrupted"

Smaller files are quicker to upload and download. If a connection fails midway, you only need to re-download the specific corrupted part rather than the entire multi-gigabyte package.

Extracting a multi-part RAR requires to be present in the same folder, with consecutive numbering. Here’s how to do it on different operating systems.

如果您有需要分发的大文件，主动制作分卷压缩包会非常实用。

copy /b 文件名.part*.rar 合并后的文件.rar