Abi_exp.rar

: WinRAR is the official tool, but you can also use free open-source alternatives like 7-Zip . Mac : Use The Unarchiver or similar apps from the App Store.

: It could be a backup of an "Ability Expression" table or "Application Binary Interface" experimental data. Abi_Exp.rar

Before opening any unknown compressed file, verify where you got it. : WinRAR is the official tool, but you

Knowing where you found the file or what project it’s related to would help me give you a more specific breakdown of its purpose. : WinRAR is the official tool

: Files with the .rar extension can contain executable scripts or malware.