If the subject "Electricity plan 25.7z" appeared in an unexpected email, it is highly likely a . Security Review
: Contact the electricity provider through their official website or phone number— not through any links in the email—to see if they actually sent it.
: If you weren't expecting this specific file from a verified source, delete the email immediately.
: Compressed files like .7z are frequently used by attackers to hide malicious executables from basic email scanners.
: While simply viewing the archive contents in a program like 7-Zip isn't usually harmful, extracting or running the files inside can trigger a malware infection. Safe Handling Recommendations