: A .7z file can hold massive amounts of data; if the source is unknown, do not decompress it.
: Always run the file through updated antivirus software before attempting to extract its contents. How to Open a .7z File Safely taxInstructions.7z
If you have confirmed the file is from a legitimate, trusted source (such as a private tax professional you are actively working with), follow these steps based on your device: Windows 11 has built-in support for extracting .7z files. Right-click the taxInstructions.7z file. Select Extract All… . if the source is unknown