It may contain custom visual settings (ReShade), UI tweaks, or workshop codes for Overwatch 2 .
Do not extract the file without running it through a security tool like VirusTotal . tope_ow2.rar
Because .rar files can contain anything from game mods to malicious software, what you should do depends on where you found it: Possible File Contents It may contain custom visual settings (ReShade), UI
Once safely extracted (preferably in a sandbox environment), look for a .txt file inside that explains how to use the contents. tope_ow2.rar
"Tope" might imply a configuration file designed to push the game's graphics or frame rate to their maximum limits.