Does the date the file was created or modified align with an action you took online (like requesting a data export)? 4. How to Open it Safely
If you are confident the file is legitimate, you will need a utility that supports the .7z format: The standard free, open-source tool for these files. WinRAR / Keka: Common alternatives for Windows and Mac. 185872.7z
Do you remember this file from or what you were doing when you received it? Does the date the file was created or