If you weren't expecting a 20-part download or a data recovery file, it is safer to delete it.
Knowing the source (e.g., a specific website, an old hard drive, or an email) would help me give you more specific information.
In the world of data recovery, when a hard drive or SD card is "wiped" or corrupted, recovery software (like PhotoRec or Recuva) often cannot find the original names of the files. File020 rar
You might see files labeled File.part01.rar , File.part02.rar , etc.
When large files (like software, games, or high-definition videos) are uploaded to the internet, they are often split into smaller "volumes" to make downloading easier. If you weren't expecting a 20-part download or
The software assigns generic names based on the order it found them.
"File020.rar" would be the 20th segment of a larger file. You usually need all parts (01 through 20+) in the same folder to extract the final content using a program like WinRAR or 7-Zip . 2. Digital Forensics or Data Recovery You might see files labeled File
"File020.rar" might simply be the 20th compressed archive the software successfully pulled from a damaged drive. 3. Automated Scans or Backups