: Right-click GRO01.zip.rar and select "Extract Here." This will likely produce a file named GRO01.zip .
: Right-click the new GRO01.zip file and extract it to a dedicated folder. Step 3: Identifying the Contents GRO01.zip.rar
Before opening the file, ensure it is safe to handle. Double-extension files (like .zip.rar) are sometimes used to disguise malicious content. : Right-click GRO01
To access the contents, you will need a utility that supports the RAR format. GRO01.zip.rar
If you can tell me or what device you're trying to use it with, I can give you more specific instructions on what to do with the extracted data.
: Run the file through VirusTotal to check for embedded scripts or trojans.