Tools like The Unarchiver (for Mac) or various file explorer apps on Android/iOS. Handling "EOJEXBV.rar"

Grouping many files into one single container for easier sharing or storage.

If you can share where you found this file or what it's for, I can provide more specific advice on how to handle it, such as or finding a specific password . RAR - Википедия

The official, native software for creating and extracting RAR files.

Because .rar is a proprietary format, you need software to extract it.

Right-click the EOJEXBV.rar file and select "Extract here" or "Extract to..." using your chosen software to access the contents.

If you received this file, it is likely a personal archive created by someone else.

Here is an informative overview of files—like the one you mentioned—and how to handle them. What is a RAR File?