00 X 2 6 1 1 C E 00 X Rar -

: Real RAR archives use the following headers: RAR 5.0+ : 52 61 72 21 1A 07 01 00 RAR 1.5 to 4.0 : 52 61 72 21 1A 07 00

: Use a hex editor or a file signature tool to see the actual first few bytes of the file to determine its true format. 00 X 2 6 1 1 C E 00 X rar

To help me create a more specific report, could you tell me (e.g., a file name, a system error, or a specific piece of software)? Keka - the macOS file archiver : Real RAR archives use the following headers: RAR 5