This particular file, Office-Installer-and-Office-Installer--v1.22.rar, appears to be a compressed archive containing an unofficial tool designed to install or activate Microsoft Office.
Technical Analysis
Office-Installer-and-Office-Installer--v1.22.rar Office-Installer-and-Office-Installer--v1.22.rar-
: Includes utilities to completely remove previous Office versions to prevent error codes like during new installations. pcportal.org Typical File Contents archive generally includes: Office_Installer.exe Error during installation : Check that you have
Security Concerns: RAR files from unofficial sources are common vectors for malware. It is highly recommended to scan such files using tools like VirusTotal before opening. : Includes utilities to completely remove previous Office
Security Analysis
Some AVs will quarantine the activator immediately. You can either: