http://protonmailrmez3lotccipshtkleegetolb73fuirgj7r4o4vfu7ozyd.onion/blog/files-to-encrypt
This includes: Documents (PDFs, DOCX) Spreadsheets (XLSX, CSV) Images (JPG, PNG) Archive formats ( ZIP , RAR) that may contain sensitive data You should also always encrypt files containing: Personally identifiable information Personally Identifiable Information (PII) , including Social Security numbers , passport scans, and driver’s licenses, is often stored in PDFs, scanned images, or spreadsheets.