In some cases, multi-part archives are labeled numerically (e.g., AN.part1.rar, AN.part2.rar). However, the "(3)" format is more characteristic of a duplicate download.
Compressed files are a common way to distribute malware because the contents are hidden until opened. If you do not recognize the source of "AN (3).rar," it is recommended to: Scan it with an antivirus tool like Malwarebytes . AN (3).rar
Use WinRAR (the original software for this format) or the free, open-source 7-Zip . Mac Users: Use The Unarchiver or Keka . In some cases, multi-part archives are labeled numerically
Use apps like RAR (by RARLAB) on Android or iZip on iOS. Safety Note If you do not recognize the source of "AN (3)
Most web browsers automatically add "(1)", "(2)", or "(3)" to a filename if you download the same file multiple times to the same directory.
Use an online scanner like VirusTotal to check the file against multiple security databases before extracting.