unzip
🇺🇸
/ˌʌnˈzɪp/
🇬🇧
/ˌʌnˈzɪp/
To open a zipper on a piece of clothing, a bag, or something else.
She unzipped her jacket to let in some fresh air.
To make a compressed file return to its original size.
I need to unzip this document before I can open it.