To see what is actually inside the file without extracting everything, you can use these methods: On Windows
If you tell me or its file size , I can help you determine if it's a standard backup or something suspicious. tax2.7z
Data files from programs like QuickBooks or TurboTax. To see what is actually inside the file
Scanned copies of tax returns, W-2s, 1099s, or receipts. tax2.7z
If you did not create this file or expect it from a known source, , as tax-themed filenames are often used in phishing attacks to distribute malware.