When you "zip" a file, you'll compress its data and reduce how much space it takes up on your computer or phone.

How to merge or combine ZIP files using 7-Zip Get all the ZIP archives that you want to merge and copy or move them to one folder in Windows Explorer. Click on one ZIP folder and press the CTRL ...

You can use the tools to move your file attachments to a folder on your desktop, making it easier to find the files later when you're ready to use them.

To unzip a file on your computer or phone, you can use tools that come pre-installed on the device. In some cases, using a third-party app might help.