: Some cloud storage or file-sharing sites have maximum file sizes for free users.

: Many email providers have strict file size limits (e.g., 25MB). Splitting a large video or database into 20MB parts allows them to be sent across multiple messages.

how to find file info in not-first rar file? · Issue #56 · markokr/rarfile

When you see a file ending in .part5.rar , it indicates several technical characteristics:

"Ivanka.part5.rar" is a specific component of a multi-part compressed archive. In the world of data storage, large files are often broken down into smaller "volumes" or "parts" to make them easier to share, upload, or store on limited-capacity media. The Mechanics of Multi-Part Archives

If you have encountered this file unexpectedly, be cautious. Compressed archives are a common method for delivering malware because the encryption or compression can sometimes hide malicious code from basic antivirus scanners. Always verify the source before attempting to combine and run files from a multi-part RAR archive.

: If a 10GB download fails at 90%, you have to start over. If you download ten 1GB parts and the fifth one fails, you only need to re-download part5.rar . Safety and Identification