If 7-Zip cannot open an archive or compressed file and you see Cannot open file as archive error message, here's what you can do.

An icon in the shape of a lightning bolt. Impact Link Finding a file downloaded onto a computer couldn't be much easier: You just open up the Downloads folder, and ...

When you download files onto your iPhone, you can usually find them in the app that's meant to open them, or save your downloads to specific folders.