If you tell me what's the zip or which platform you're using (Salesforce, Oracle , or Android), I can find the exact tutorial for you. APEX file format - Android Open Source Project
🚀 : If you are working with Salesforce, prioritize the Official Salesforce Release Notes for the latest "Generally Available" methods to compress and extract files. v3_Apex.zip
: For direct code snippets, Vinish.Dev details how to use the APEX_ZIP package to write files to a server. If you tell me what's the zip or