: A popular, lightweight choice. 7-Zip allows you to right-click the file and select "Extract Here".
If you encounter errors while opening the file, try these solutions:
: If the file asks for a password, you must obtain it from the person who sent it. Archives cannot be opened without the correct key.
: The original software for this format. You can use the WinRAR trial to open, extract, or even repair damaged archives.